Medical Coding(Pathology and Procedures A) Flashcards
In order to apply accurate codes, you must be familiar with the pathology and procedures terminology
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| 2794399098 | abdominal ultrasound | a noninvasive test used to visualize internal organs by using very high frequency sound waves. | 0 | |
| 2794399099 | abdominocentesis (ab-dom-ih-noh-sen-TEE-sis) | The surgical puncture of the abdominal cavity to remove fluid. | 1 | |
| 2794399100 | ablation (ab-LAY-shun) | The removal of a body part or the destruction of its function. | 2 | |
| 2794399101 | abortion (ah-BOR-shun) | The interruption or termination of pregnancy before the fetus is viable. | 3 | |
| 2794399102 | abrasion (ah-BRAY-zhun) | An injury in which superficial layers of skin are scraped or rubbed away. | 4 | |
| 2794399103 | abruptio placentae (ab-RUP-shee-oh plah-SEN-tee) | An abnormal condition in which the placenta separates from the uterine wall prematurely before the birth of the fetus. | 5 | |
| 2794399104 | abscess (AB-sess) | A closed pocket containing pus caused by a purulent bacterial infection. | 6 | |
| 2794399105 | ACE inhibitors | Medications administered to treat hypertension and congestive heart failure. | 7 | |
| 2794399106 | acetaminophen (ah-seet-ah-MIN-oh-fen) | Medication that controls pain without the side effects of NSAIDs. | 8 | |
| 2794399107 | Achilles tendinitis (ten-dih-NIGH-tis) | Inflammation of the Achilles tendon caused by excessive stress. | 9 | |
| 2794399108 | acid blockers | Medications taken before eating to block the effects of histamine that signals the stomach to produce acid. | 10 | |
| 2794399109 | acid reducers | decrease the amount of acid produced by the stomach, used to treat the symptoms of conditions such as gastroesophageal reflux disease. | 11 | |
| 2794399110 | acne vulgaris (ACK-nee vul-GAY-ris) | A chronic inflammatory disease that is caused by an overproduction of sebum and is characterized by pustular eruptions of the skin. | 12 | |
| 2794399111 | acquired immunodeficiency syndrome | The advanced stage of an HIV infection; also known as AIDS. | 13 | |
| 2794399112 | acromegaly (ack-roh-MEG-ah-lee) | Enlargement of the extremities caused by excessive secretion of growth hormone after puberty. | 14 | |
| 2794399113 | acrophobia (ack-roh-FOH-bee-ah) | An excessive fear of being in high places. | 15 | |
| 2794399114 | actinic keratosis (ack-TIN-ick kerr-ah-TOH-sis) | A skin lesion caused by excessive exposure to the sun. | 16 | |
| 2794399115 | activities of daily living (ADL) | include bathing, grooming, brushing teeth, eating, and dressing. | 17 | |
| 2794399116 | acute nasopharyngitis (nay-zoh-far-in-JIGH-tis) | A term used to describe the common cold; also known as an upper respiratory infection. | 18 | |
| 2794399117 | acute necrotizing ulcerative gingivitis | An abnormal growth of bacteria in the mouth that usually occurs in teens or young adults; also known as trench mouth. | 19 | |
| 2794399118 | acute otitis media | usually associated with an upper respiratory infection and is most commonly seen in young children. This condition can lead to a ruptured eardrum due to the buildup of pus or fluid in the middle ear. | 20 | |
| 2794399119 | acute purulent otitis media | a buildup of pus within the middle ear due to infection. | 21 | |
| 2794399120 | acute renal failure | Sudden onset of kidney failure that may be caused by many factors including a drop in blood volume or blood pressure due to injury or surgery. | 22 | |
| 2794399121 | acute respiratory distress syndrome | The sudden onset of severe lung dysfunction that affects both lungs and makes breathing extremely difficult. | 23 | |
| 2794399122 | addiction | Compulsive, uncontrollable dependence on a substance, habit, or practice to the degree that stopping causes severe emotional, mental, or physiologic reactions. | 24 | |
| 2794399123 | Addison's disease (AD-ih-sonz) | A condition that occurs when the adrenal glands do not produce enough cortisol or aldosterone. | 25 | |
| 2794399124 | adenectomy (ad-eh-NECK-toh-mee) | Surgical removal of a gland. | 26 | |
| 2794399125 | adenitis (ad-eh-NIGH-tis) | Inflammation of a gland. | 27 | |
| 2794399126 | adenocarcinoma (ad-eh-noh-kar-sih-NOH-mah) | Carcinoma derived from glandular tissue. | 28 | |
| 2794399127 | adenoidectomy (ad-eh-noid-ECK-toh-mee or ad-ehnoy-DECK-toh-mee) | Surgical removal of the adenoids. | 29 | |
| 2794399128 | adenoma (ad-eh-NOH-mah) | A benign tumor of glandular origin. | 30 | |
| 2794399129 | adenomalacia (ad-eh-noh-mah-LAY-shee-ah) | Abnormal softening of a gland. | 31 | |
| 2794399130 | adenosclerosis (ad-eh-noh-skleh-ROH-sis) | Abnormal hardening of a gland. | 32 | |
| 2794399131 | adenosis (ad-eh-NOH-sis) | Any disease condition of a gland. | 33 | |
| 2794399132 | adhesion (ad-HEE-zhun) | A band of fibrous tissue that holds structures together abnormally and can form in muscles or internal organs as the result of an injury or surgery. | 34 | |
| 2794399133 | adjuvant therapy (AD-jeh-vant) | is used after the primary treatments have been completed to decrease the chance that a cancer will recur. | 35 | |
| 2794399134 | Adjuvant refers to an agent intended to increase the effectiveness of a drug; however, adjuvant treatments for cancer can also include | 36 | ||
| 2794399135 | chemotherapy, hormone therapy, radiation, immunotherapy, or targeted therapy. | 37 | ||
| 2794399136 | adrenalitis (ah-dree-nal-EYE-tis) | Inflammation of the adrenal glands; also known as adrenitis. | 38 | |
| 2794399137 | adrenitis (ad-reh-NIGH-tis) | Inflammation of the adrenal glands; also known as adrenalitis. | 39 | |
| 2794399138 | adrenomegaly (ah-dree-noh-MEG-ah-lee) | Enlargement of the adrenal glands. | 40 | |
| 2794399139 | adrenopathy (ad-ren-OP-ah-thee) | Any disease of the adrenal glands. | 41 | |
| 2794399140 | adverse drug reaction | An undesirable drug response that accompanies the principal response for which the drug was taken; also known as a side effect or an adverse drug event. | 42 | |
| 2794399141 | aerophagia (ay-er-oh-FAY-jee-ah) | Excessive swallowing of air while eating or drinking. | 43 | |
| 2794399142 | agglutination tests (ah-gloo-tih-NAY-shun) | Blood tests performed to determine the patient's blood type and to check compatibility of donor and recipient blood before a transfusion. | 44 | |
| 2794399143 | agoraphobia (ag-oh-rah-FOH-bee-ah) | An excessive fear of situations in which having a panic attack seems likely. | 45 | |
| 2794399144 | AIDS dementia complex | A degenerative neurological condition that is a central nervous system complication of an HIV infection. | 46 | |
| 2794399145 | airborne transmission | occurs through contact with contaminated respiratory droplets spread by a cough or sneeze. | 47 | |
| 2794399146 | airway obstruction | commonly known as choking, occurs when food or a foreign object blocks the airway and prevents air from entering or leaving the lungs. | 48 | |
| 2794399147 | airway inflammation | the swelling and clogging of the airways with mucus. This usually occurs after the airway has been exposed to inhaled agents. | 49 | |
| 2794399148 | albinism (AL-bih-niz-um) | An inherited deficiency or absence of pigment in the skin, hair, and irises due to a missing enzyme necessary for the production of melanin. | 50 | |
| 2794399149 | albuminuria (al-byou-mih-NEW-ree-ah) | The presence of the protein albumin in the urine that is a sign of impaired kidney function. | 51 | |
| 2794399150 | alcoholism (AL-koh-hol-izm) | Chronic alcohol dependence with specific signs and symptoms upon withdrawal. | 52 | |
| 2794399151 | aldosteronism (al-DOSS-teh-roh-niz-em or al-doh-STER-ohn-izm) | An abnormality of electrolyte balance caused by excessive secretion of aldosterone. | 53 | |
| 2794399152 | aldosteronism, primary | An abnormality of electrolyte balance caused by disorders of the adrenal glands; also known as Conn's syndrome. | 54 | |
| 2794399153 | aldosteronism, secondary | An abnormality of electrolyte balance that is not caused by a disorder of the adrenal gland. | 55 | |
| 2794399154 | allergen (AL-er-jen) | An antigen capable of inducing an allergic response. | 56 | |
| 2794399155 | allergic reaction | occurs when the body's immune system reacts to a harmless allergen such as pollen, food, or animal dander as if it were a dangerous invader. | 57 | |
| 2794399156 | allergic rhinitis (rye-NIGH-tis) | An allergic reaction to airborne allergens. | 58 | |
| 2794399157 | allergy | An overreaction by the body to a particular antigen; also known as hypersensitivity. | 59 | |
| 2794399158 | allogenic bone marrow transplant (al-oh-JEN-ick) | A transplant in which the recipient receives bone marrow from a donor. | 60 | |
| 2794399159 | alopecia (al-oh-PEE-shee-ah) | The partial, or complete, loss of hair most commonly on the scalp; also known as baldness. | 61 | |
| 2794399160 | alopecia areata | an autoimmune disorder that attacks the hair follicles, causing well-defined bald areas on the scalp or elsewhere on the body. Condition often begins in childhood. | 62 | |
| 2794399161 | alopecia capitis totalis | an uncommon condition characterized by the loss of all the hair on the scalp. | 63 | |
| 2794399162 | alopecia universalis | the total loss of hair on all parts of the body. | 64 | |
| 2794399163 | Alzheimer's disease (ALTZ-high-merz) | Disorders associated with degenerative changes in the brain structure that lead to progressive memory loss, impaired cognition, and personality changes. | 65 | |
| 2794399164 | amblyopia (am-blee-OH-pee-ah) | Dimness of vision or the partial loss of sight, especially in one eye, without detectable disease of the eye. | 66 | |
| 2794399165 | amebic dysentery (ah-MEE-bik DIS-en-ter-ee) | Frequent, watery stools often | 67 | |
| 2794399166 | with blood and mucus caused by the parasite Entamoeba histolytica. | 68 | ||
| 2794399167 | amenorrhea (ah-men-oh-REE-ah or ay-men-oh-REEah) | The absence of menstrual periods for three months or more. | 69 | |
| 2794399168 | ametropia (am-eh-TROH-pee-ah) | Any error of refraction in which images do not focus properly on the retina. | 70 | |
| 2794399169 | amnesia (am-NEE-zee-ah) | A disturbance in the memory marked by a total or partial inability to recall past experiences. | 71 | |
| 2794399170 | amniocentesis (am-nee-oh-sen-TEE-sis) | A surgical puncture to remove amniotic fluid to evaluate fetal health and to diagnose certain congenital disorders. | 72 | |
| 2794399171 | amobarbital (am-oh-BAR-bih-tal) | A barbiturate medication that is administered as a sedative and hypnotic. | 73 | |
| 2794399172 | amyotrophic lateral sclerosis (ah-my-oh-TROH-fick) | A degenerative disease in which patients become progressively weaker until they are completely paralyzed; also known as Lou Gehrig's disease. | 74 | |
| 2794399173 | anal fissure | A small tear in the skin of the anus that can cause severe pain during a bowel movement. | 75 | |
| 2794399174 | analgesic (an-al-JEE-zick) | A medication that relieves pain without affecting consciousness. | 76 | |
| 2794399175 | anaphylaxis (an-ah-fih-LACK-sis) | A severe response to a foreign substance such as a drug, food, insect venom, or chemical. | 77 | |
| 2794399176 | anaplasia (an-ah-PLAY-zee-ah) | A change in the structure of cells and in their orientation to each other. | 78 | |
| 2794399177 | anastomosis (ah-nas-toh-MOH-sis) | A surgical connection between two hollow or tubular structures (plural, anastomoses). | 79 | |
| 2794399178 | andropause (AN-droh-pawz) | marked by the decrease of the male hormone testosterone, gradually beginning in the late 40s and progressing very gradually over several decades; often referred to as male menopause. | 80 | |
| 2794399179 | anemia (ah-NEE-mee-ah) | A disorder characterized by lower than normal levels of red blood cells in the blood. | 81 | |
| 2794399180 | anesthesia (an-es-THEE-zee-ah) | The absence of normal sensation, especially sensitivity to pain. | 82 | |
| 2794399181 | anesthetic (an-es-THET-ick) | Medication used to induce anesthesia. | 83 | |
| 2794399182 | aneurysm (AN-you-rizm) | A localized weak spot or balloon-like enlargement of the wall of an artery. | 84 | |
| 2794399183 | aneurysmectomy (an-you-riz-MECK-toh-mee) | The surgical removal of an aneurysm. | 85 | |
| 2794399184 | aneurysmorrhaphy (an-you-riz-MOR-ah-fee) | Surgical suturing of an aneurysm. | 86 | |
| 2794399185 | angiectomy (an-jee-ECK-toh-mee) | Surgical removal of a blood vessel. | 87 | |
| 2794399186 | angiitis (an-jee-EYE-tis) | Inflammation of a blood or lymph vessel; also known as vasculitis (alternative spelling, angitis). | 88 | |
| 2794399187 | angina pectoris (an-JIGH-nah or AN-jih-nuh PECKtoh- riss) | Episodes of severe chest pain due to inadequate blood flow to the myocardium; also known as angina. | 89 | |
| 2794399188 | angiogenesis (an-jee-oh-JEN-eh-sis) | The process through which the tumor supports its growth by creating its own blood supply. | 90 | |
| 2794399189 | angiogram (AN-jee-oh-gram) | The film produced by angiography. | 91 | |
| 2794399190 | angiography (an-jee-OG-rah-fee) | A radiographic study of the blood vessels after the injection of a contrast medium. | 92 | |
| 2794399191 | angionecrosis (an-jee-oh-neh-KROH-sis) | Death of the walls of blood vessels. | 93 | |
| 2794399192 | angiorrhaphy (an-jee-OR-ah-fee) | Surgical suturing of any vessel, especially of a blood vessel. | 94 | |
| 2794399193 | angiosclerosis (an-jee-oh-skleh-ROH-sis) | Abnormal hardening of the walls of blood vessels. | 95 | |
| 2794399194 | angiospasm (AN-jee-oh-spazm) | A spasmodic contraction of the blood vessels. | 96 | |
| 2794399195 | angiostenosis (an-jee-oh-steh-NOH-sis) | Abnormal narrowing of a blood vessel. | 97 | |
| 2794399196 | anhidrosis (an-high-DROH-sis) | The abnormal condition of lacking sweat in response to heat. | 98 | |
| 2794399197 | anisocoria (an-ih-so-KOH-ree-ah) | A condition in which the pupils are unequal in size. | 99 | |
| 2794399198 | ankylosing spondylitis (ang-kih-LOH-sing spon-dih-LYE-tis) | A form of rheumatoid arthritis characterized by the progressive fusion of the vertebral bodies. | 100 | |
| 2794399199 | ankylosis (ang-kih-LOH-sis) | The loss or absence of mobility in a joint due to disease, injury, or a surgical procedure. | 101 | |
| 2794399200 | anomaly (ah-NOM-ah-lee) | A deviation from what is regarded as normal. | 102 | |
| 2794399201 | anorchism (an-OR-kizm) | The congenital absence of one or both testicles. | 103 | |
| 2794399202 | anorexia (an-oh-RECK-see-ah) | The loss of appetite for food, especially when caused by disease. | 104 | |
| 2794399203 | anorexia nervosa (an-oh-RECK-see-ah) | An eating disorder characterized by a false perception of body appearance that leads to a refusal to maintain a normal body weight. | 105 | |
| 2794399204 | anoscopy (ah-NOS-koh-pee) | The visual examination of the anal canal and lower rectum using a short speculum called an anoscope. | 106 | |
| 2794399205 | anovulation (an-ov-you-LAY-shun) | The failure to ovulate. | 107 | |
| 2794399206 | anoxia (ah-NOCK-see-ah) | The absence of oxygen from the blood gases or tissues. | 108 | |
| 2794399207 | antacids | Medications to relieve indigestion or help peptic ulcers heal by neutralizing stomach acids. | 109 | |
| 2794399208 | anthracosis (an-thrah-KOH-sis) | The form of pneumoconiosis caused by coal dust in the lungs; also known as black lung disease. | 110 | |
| 2794399209 | antiangiogenesis | Cancer treatment that disrupts the blood supply to the tumor. | 111 | |
| 2794399210 | antiarrhythmic (an-tih-ah-RITH-mick) | Medication administered to control irregularities of the heartbeat. | 112 | |
| 2794399211 | antibody (AN-tih-bod-ee) | a disease-fighting protein created by the immune system in response to the presence of a specific antigen. The terms antibody and immunoglobulin are often used interchangeably. | 113 | |
| 2794399212 | antibiotic resistant bacteria | develops when an antibiotic fails to kill all of the bacteria it targets. When this occurs the surviving bacteria become resistant to that particular drug; also known as superbugs. | 114 | |
| 2794399213 | antibiotics | Chemical substances capable of inhibiting growth or killing pathogenic microorganisms that are used to combat bacterial infections. | 115 | |
| 2794399214 | anticholinergic (an-tih-koh-lin-ER-jik) | Medication administered to control spasmodic activity of smooth muscles, such as those of the intestine; also known as an antispasmodic. | 116 | |
| 2794399215 | anticoagulant (an-tih-koh-AG-you-lant) | Medication that slows coagulation and prevents new clots from forming; also known as a thrombolytic or clotbusting drug. | 117 | |
| 2794399216 | anticonvulsant (an-tih-kon-VUL-sant) | Medication that prevents seizures and convulsions. | 118 | |
| 2794399217 | antidepressant | Medications administered to prevent or relieve depression. | 119 | |
| 2794399218 | antiemetic (an-tih-ee-MET-ick) | Medication administered to prevent or relieve nausea. | 120 | |
| 2794399219 | antifungal (an-tih-FUNG-gul) | an agents that destroys or inhibits the growth or fungai. | 121 | |
| 2794399220 | antigen (AN-tih-jen) | any substance that the body regards as being foreign, and includes viruses, bacteria, toxins, and transplanted tissues. The immune system immediately responds to the presence of any antigen. | 122 | |
| 2794399221 | antihistamines | Medications administered to block and control allergic reactions. | 123 | |
| 2794399222 | antihypertensive (an-tih-high-per-TEN-siv) | Medication administered to lower blood pressure. | 124 | |
| 2794399223 | anti-inflammatory | Medication administered to relieve inflammation and pain. | 125 | |
| 2794399224 | antineoplastic (an-tih-nee-oh-PLAS-tick) | Medication administered to block the development, growth, or proliferation of malignant cells. | 126 | |
| 2794399225 | antipsychotic (an-tih-sigh-KOT-ick) | Medications administered to treat symptoms of severe disorders of thinking and mood. | 127 | |
| 2794399226 | antipsychotic drug (an-tih-sigh-KOT-ick) | administered to treat symptoms of severe disorders of thinking and mood that are associated with neurological and psychiatric illnesses such as schizophrenia, mania, and delusional disorders. | 128 | |
| 2794399227 | antipyretic (an-tih-pye-RET-ick) | Medication administered to reduce fever. | 129 | |
| 2794399228 | antispasmodic | Medication administered to control spasmodic activity of smooth muscles, such as those of the intestine; also known as an anticholinergic drug. | 130 | |
| 2794399229 | antithyroid drug | a medication administered to slow the ability of the thyroid gland to produce thyroid hormones. | 131 | |
| 2794399230 | antitussive (an-tih-TUSS-iv) | Medication administered to prevent or relieve coughing. | 132 | |
| 2794399231 | antiviral drug (an-tih-VYE-ral) | Medication administered to treat viral infections or to provide temporary immunity. | 133 | |
| 2794399232 | anuria (ah-NEW-ree-ah) | The absence of urine formation by the kidneys. | 134 | |
| 2794399233 | anxiety disorders | Mental conditions characterized by anxiety or fear out of proportion to the real danger in a situation. | 135 | |
| 2794399234 | anxiolytic (ang-zee-oh-LIT-ick) | Medication administered to temporarily suppress anxiety; also known as antianxiety drugs or tranquilizers. | 136 | |
| 2794399235 | anxiolytic drug (ang-zee-oh-LIT-ick) | administered to temporarily relieve anxiety and to reduce tension; also known as an antianxiety drug or tranquilizer. | 137 | |
| 2794399236 | Apgar score | An evaluation of a newborn infant's physical status by assigning numerical values to five criteria. | 138 | |
| 2794399237 | aphasia (ah-FAY-zee-ah) | Loss of the ability to speak, write, and/or comprehend the written or spoken word. | 139 | |
| 2794399238 | aphonia (ah-FOH-nee-ah) | The loss of the ability of the larynx to produce normal speech sounds. | 140 | |
| 2794399239 | aphthous ulcers (AF-thus) | Grey-white pits with a red border in the soft tissues lining the mouth; also known as canker sores or mouth ulcers. | 141 | |
| 2794399240 | aplasia (ah-PLAY-zee-ah) | The defective development or congenital absence of an organ or tissue. | 142 | |
| 2794399241 | aplastic anemia (ay-PLAS-tick ah-NEE-mee-ah) | A condition marked by the absence of all formed blood elements. | 143 | |
| 2794399242 | apnea (AP-nee-ah or ap-NEE-ah) | The absence of spontaneous respiration. | 144 | |
| 2794399243 | appendectomy (ap-en-DECK-toh-mee) | Surgical removal of the appendix. | 145 | |
| 2794399244 | appendicitis (ah-pen-dih-SIGH-tis) | Inflammation of the appendix. | 146 | |
| 2794399245 | arachnophobia (ah-rach-noh-FOH-bee-ah) | an excessive fear of spiders. | 147 | |
| 2794399246 | arrhythmia (ah-RITH-mee-ah) | A change in the rhythm of the heartbeat; also known as cardiac arrhythmia or dysrhythmia. | 148 | |
| 2794399247 | arteriectomy (ar-teh-ree-ECK-toh-mee) | Surgical removal of part of an artery. | 149 | |
| 2794399248 | arteriomalacia (ar-tee-ree-oh-mah-LAY-shee-ah) | Abnormal softening of the walls of an artery or arteries. | 150 | |
| 2794399249 | arterionecrosis (ar-tee-ree-oh-neh-KROH-sis) | Tissue death of an artery or arteries. | 151 | |
| 2794399250 | arterioplasty (ar-tee-ree-oh-PLAS-tee) | The surgical repair of an artery. | 152 | |
| 2794399251 | arteriosclerosis (ar-tee-ree-oh-skleh-ROH-sis) | Abnormal hardening of the walls of an artery or arteries. | 153 | |
| 2794399252 | arteriostenosis (ar-tee-ree-oh-steh-NOH-sis) | Abnormal narrowing of an artery or arteries. | 154 | |
| 2794399253 | arteritis (ar-teh-RYE-tis) | Inflammation of an artery or arteries. | 155 | |
| 2794399254 | arthralgia (ar-THRAL-jee-ah) | Pain in a joint or joints. | 156 | |
| 2794399255 | arthrectomy (ar-THRECK-toh-mee) | The surgical removal of a joint. | 157 | |
| 2794399256 | arthritis (ar-THRIGH-tis) | An inflammatory condition of one or more joints (plural, arthritides). | 158 | |
| 2794399257 | arthrocentesis (ar-throh-sen-TEE-sis) | Surgical puncture of the joint space to remove synovial fluid for analysis. | 159 | |
| 2794399258 | arthrodesis (ar-throh-DEE-sis) | A surgical procedure to stiffen a joint; also known as fusion or surgical ankylosis. | 160 | |
| 2794399259 | arthrolysis (ar-THROL-ih-sis) | Surgical loosening of an ankylosed joint. | 161 | |
| 2794399260 | arthroplasty (AR-throh-plas-tee) | Surgical repair of a damaged joint; also the surgical replacement of a joint with an artificial joint. | 162 | |
| 2794399261 | arthrosclerosis (ar-throh-skleh-ROH-sis) | Stiffness of the joints, especially in the elderly. | 163 | |
| 2794399262 | arthroscopic surgery (ar-throh-SKOP-ick) | A minimally invasive procedure for the treatment of the interior of a joint. | 164 | |
| 2794399263 | arthroscopy (ar-THROS-koh-pee) | Visual examination and treatment of the internal structure of a joint using an arthroscope. | 165 | |
| 2794399264 | arthrotomy (ar-THROT-oh-mee) | A surgical incision into a joint. | 166 | |
| 2794399265 | artificial pacemaker | used primarily as treatment for bradycardia or atrial fibrillation. This electronic device can be attached externally or implanted under the skin with connection leading into the heart to regulate the heartbeat. | 167 | |
| 2794399266 | asbestosis (ass-beh-STOH-sis) | The form of pneumoconiosis caused by asbestos particles in the lungs. | 168 | |
| 2794399267 | ascites (ah-SIGH-teez) | An abnormal accumulation of serous fluid in the peritoneal cavity. | 169 | |
| 2794399268 | aspergillosis (ass-per-jil-OH-sis) | An infection caused by the fungus of the genus Aspergillus. | 170 | |
| 2794399269 | asphyxia (ass-FICK-see-ah) | The condition that occurs when the body cannot get the air it needs to function. | 171 | |
| 2794399270 | asphyxiation (ass-fick-see-AY-shun) | Any interruption of breathing resulting in asphyxia; also known as suffocation. | 172 | |
| 2794399271 | aspiration pneumonia (ass-pih-RAY-shun) | Pneumonia caused by a foreign substance, such as vomit, being inhaled into the lungs. | 173 | |
| 2794399272 | aspirin | in very small daily dose, such as 81 mg baby aspirin, may be recommended to reduce the risk of a heart attack or stroke by slightly reducing the ability of the blood to clot. | 174 | |
| 2794399273 | asthma (AZ-mah) | A chronic allergic disorder characterized by episodes of severe breathing difficulty, coughing, and wheezing. | 175 | |
| 2794399274 | astigmatism (ah-STIG-mah-tizm) | A condition in which the eye does not focus properly because of uneven curvatures of the cornea. | 176 | |
| 2794399275 | ataxia (ah-TACK-see-ah) | The inability to coordinate muscle activity during voluntary movement. | 177 | |
| 2794399276 | atelectasis (at-ee-LEK-tah-sis) | A condition in which the lung fails to expand completely due to shallow breathing or because the air passages are blocked. | 178 | |
| 2794399277 | atherectomy (ath-er-ECK-toh-mee) | Surgical removal of plaque from the interior lining of an artery. | 179 | |
| 2794399278 | atheroma (ath-er-OH-mah) | A deposit of fatty plaque within the arterial wall that is characteristic of atherosclerosis. | 180 | |
| 2794399279 | atherosclerosis (ath-er-oh-skleh-ROH-sis) | Hardening and narrowing of the arteries due to a buildup of cholesterol plaques. | 181 | |
| 2794399280 | atonic (ah-TON-ick) | Lacking normal muscle tone or strength. | 182 | |
| 2794399281 | atresia (at-TREE-zee-ah) | describes the congenital absence of a normal opening or the failure of a structure to be tubular. For example, an anal atresia is the congenital absence of the opening at the bottom end of the anus. | 183 | |
| 2794399282 | atrial fibrillation | Rapid irregular twitching of the muscular wall of the atria; also known as a fib. | 184 | |
| 2794399283 | atrophy (AT-roh-fee) | Weakness or wearing away of body tissues and structures caused by pathology or by disuse over a long period of time. | 185 | |
| 2794399284 | atropine (AT-roh-peen) | An antispasmodic medication that may be administered preoperatively to relax smooth muscles. | 186 | |
| 2794399285 | attention deficit disorder | A condition characterized by a short attention span and impulsive behavior inappropriate for the child's developmental age. | 187 | |
| 2794399286 | audiological evaluation | the measurement of the ability to hear and understand speech sounds based on their pitch and loudness; also known as speech audiometry. | 188 | |
| 2794399287 | audiometry (aw-dee-OM-eh-tree) | The use of an audiometer to measure hearing acuity. | 189 | |
| 2794399288 | auscultation (aws-kul-TAY-shun) | Listening through a stethoscope for respiratory, heart, and abdominal sounds within the body. | 190 | |
| 2794399289 | autism (AW-tizm) | A condition in which a young child cannot develop normal social relationships, compulsively follows repetitive routines, and frequently has poor communication skills; also known as autistic disorder. | 191 | |
| 2794399290 | autoimmune disorder (aw-toh-ih-MYOUN) | A condition in which the immune system reacts incorrectly to normal antigens and creates antibodies against the body's own tissues. | 192 | |
| 2794399291 | autologous bone marrow transplant (aw-TOL-uhguss) | A transplant utilizing the patient's own bone marrow that was harvested before treatment began. | 193 | |
| 2794399292 | automated external defibrillator (dee-fib-rih-LAYter) | Electronic equipment that externally shocks the heart to restore a normal cardiac rhythm. | 194 | |
| 2794399293 | autopsy (AW-top-see) | postmortem (after death) examination. | 195 | |
| 2794399294 | azoospermia (ay-zoh-oh-SPER-mee-ah) | The absence of sperm in the semen. | 196 |