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Human Diseases Chapter 8 Flashcards

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10235125660Cardiovascular system includes:Heart, arteries, veins, blood.0
10235160310PericardiumA 2 layered sac surrounding the heart with fluid in between1
10235135954Wall of the hear has three layers of CT:1. Epicardium 2. Myocardium 3. Endocardium2
10239723302EpicardiumOutter layer of the heart.3
10239725764MyocardiumMiddle layer of heart4
10239726168EndocardiumInner layer of the heart5
10239731213Common signs and symptoms of a heart disorderChest pain Shortness of breath Tachycardia Cardiac Palpations6
10239732209Cardiac palpationsAn unusually strong, rapid, or irregular heart beat that the patient can feel.7
10239740217Tachycardiarapid heart beat8
10239741377ischemiainadequate blood supply to an organ, therefore, inadequate O2 supply.9
10239748956Pulse Points of the body (9)Temporal Facial Carotid Brachial Radial Femoral Popliteal Posterior tibial Dorsalis pedis10
10239756250AuscultationListening to the flow of blood through the heart and vessels with a stethoscope.11
10239761119DopplerA device placed over arteries to magnify the sound of blood flow.12
10239770989Arterial blood pressureSimply taking Bp13
10239778457Electrocardiography (ECG) or (EKG)A machine that gathers measures systolic and diastolic pressure.14
10239776129ElectrocardiogramThe electronic picture of the ECG15
10239791953EchocardiogramCardiac ultrasound that examines the hearts chambers, valves, walls, and vessels.16
10239797397PET scana dye containing radioactive tracers in ingested or injected into your body, under the scanner the diseased areas will appear as bright spots17
10239817714Heart murmurA turbulence in blood flow; listen on the distal side of the valve.18
10239824269Heart murmur position for Aortic valve2nd right intercostal19
10239827101Heart murmur position for Pulmonary valve2nd left intercostal20
10239828170Heart murmur position for tricuspid valveLeft Lower sternum border21
10239830620Heart murmur position for mitral valve5th intercostal space at around left midclavicular line22
10239854896Blood flow through heartSuperior vena cava --> right atria --> tricuspid valve --> right ventricle --> pulmonary valve --> pulmonary artery --> lungs --> pulmonary veins --> left artery --> mitral valve --> left ventricle --> aortic valve --> aorta --> organ tissues --> superior vena cava-->23
10239844104Cardiac conduction systemOne cardiac cycle; aka one heart beat/pulse. SA node --> atrioventricular node --> bundle of his --> R/L bundle branches --> purkinje fibers24
10239944189SA nodeNormal pacemaker of the heart.25
10239943440SA normal rate60-100 times per minute26
10239926188PQRSTThis is represented on the electrocardiogram as one sequence of conduction.27
10239950422PContraction of atrium; Electrical stimulation beginning and passing over the atria (depolarization).28
10239953514QRS waveStimulation passing over the veltricles29
10239954325TRecovery of the ventricles (repolarization).30
10239960183Cardiac catheterizationInvasive procedure to determine O2 content and Bp.31
10245184733Patencyopenness (of vessels)32
10245190211X-rayDetermine normal structure, size, and patency by injecting dye and taking pictures of the heart.33
10245207367common x-raysAngiocardiography Angiography Venogram34
10245208741AngiocardiographyExamination by x-ray of the heart and vessels.35
10245212375AngiographyExamination by X-ray of blood or lymph vessels. graphy=study36
10245223727VenogramThe image by x-ray of the veins. gram=picture37
10245262005ankle-brachial index (ABI) testScreens for peripheral arterial disease (PAD) by measuring the BP at the ankle and the arm.38
10245279028Normal ABI1.0 less than 0.9 is an indication of PAD39
10245294313Blood TestsThe Enzyme levels help determine time and and degree of a myocardial infarction (heart attack).40
10245314327Blood test enzymes (3)- Creatine phosphokinase - Troponin (TnL) - Lactic dehydrogenase (LDH)41
10245325222Cardiovascular diseaseGenerally refers to conditions that involves narrowed or blocked blood vessels that can lead to a heart attack, chest pain (angina) or stroke. -high bp is a common cause42
10245735163Leading cause of death in the USCardiovascular disease43
10245745155HypertensionHigh Bp (140/90) - Indicator of cerebrovascular, cardiovasular and kidney disease - Leading cause of stroke and heart failure44
10245890041LumenThe open space of an artery or vein45
10245764511Normal Bp<120 / <8046
10245767469Systolic pressureHighest pressure in arteries when ventricles contracts47
10245770190Diastolic pressurePressure in arteries when ventricles relax48
10245780230Risk factors of Bp:Hereditary Diet Age Obesity Smoking Stress49
10245916762Hereditary affect on BpAffects blacks twice as much than whites50
10245920703Age affect on BpBlood pressure rises with age51
10245923148Smoking affect on BpNicotine causes vasoconstriction52
10245925822Stress affect on BpStress causes a rise in Bp due to vasoconstriction53
10252393101Evaluation of hypertension includes examining the following:1. Taking a medical and family history 2. Physical exam 3. Testing blood for cholesterol/triglycerides 4. ECG to test action of heart54
10252389119Cholesterol levels in bloodShould be under 20055
10252381047Low-density cholesterol (LDC)Bad cholesterol : should be under 10056
10252383219High-density cholesterol (HDC)Good cholesterol : should be over 6057
10252385175Tryglyceridesstored energy in the cells : should be under 20058
10245812254How does salt contribute to hypertensionSalt increases the amount of sodium in the bloodstream, which increases fluid in the bloodstream causing hyptension59
10245855825Treatment of HypertentionAntihypertensive medications Lifestyle changes60
10245914537ArteriosclerosisHardening of arteries; loss of elasticity and thickening of wall; narrowing of the lumen.61
10245974554AtherosclerosisDeposits of fat (cholesterol) in the wall of arteries causing inflammation and calcification (hardening).62
10246023906PlaqueFatty, cholesterol-containing deposits.63
10246034284EmbolusPlaque pieces broken off and floating in the blood64
10246002336Atherosclerosis mainly affects:Coronary arteries (feed the heart) Cerebral arteries (feed the brain) Aorta (supplies the circulatory system) Peripheral arteries (feed extremities)65
10246019688Risk factors of atherosclerosis(Uncontrolable) Hereditary Age Sex Diabetes (Controlable) Diet Secondary lifestyle Cigarette smoke Stress Hypertension66
10246128881Atherosclerosis diagnostic proceduresBP arteriograms X-rays Doppler67
10246152024Treatment for atherosclerosisBypass surgery of occluded arteries and plaque removal68
10246168500Peripheral vascular disease (PVD)Any disease of the peripheral arteries or veins. Usually caused by plaque build up in the peripheral arteries blocks O269
10246228439Intermittent claudicationCondition in which cramping pain in the leg is induced by exercise, typically caused by obstruction of the arteries (PVD).70
10252401079AneurismA weakening in the walls of an artery that allows it to rupture; usually caused by arteriosclerosis, but can be caused by other diseases.71
10252410147Most common area for an aneurismAbdominal aorta72
10252415415Ways to detect an aneurysm:Stethoscope to listen for abnormal sounds MRI CT scan73
10252421969Treatment for an aneurysm:Aimed at repairing aneurysm --> surgical resection and grafting74
10252429515Prevention of aneurism:Preventing arteriosclerosis and hypertension75
10252433187Coronary Artery Disease (CAD)Narrowing of the arteries that supply blood to the myocardium (heart muscle) : LEADING CAUSE OF DEATH IN THE US.76
10252446113ThrombusA blood clot attached to an artery or vein wall77
10252449490Infarctdead muscle78
10252452964Diagnosis of CADHistory of symptoms ECG Angiograms **Symptoms usually do not appear until 70% occluded.79
10252460107Treatment of CADAimed at increasing blood flow or decreasing O2 needs. -angioplasty -coronary artery bypass graft (CABG)80
10252467523AngioplastyUsing a catheter to inflate a balloon to push back the plaque build up.81
10252471501CABGCoronary artery bypass grapht82
10252477199Prevention of CAD-diet -exercise -no smoking83
10252498335Diseases of the heart: (9)-Angina Pectoris -Myocardial infarction -Hypertensive heart disease -Rheumatic heart disease -Congestive heart failure -Cardiomyopathy -Carditis -Valvular heart disease -Arrhythmias84
10252515846Angina PectorisChest pain caused by lack of blood flow / O2 to the myocardium85
10252521060Leading cause of angina:arteriosclerosis86
10252524230Symptoms of Angina-Tight chest -Shortness of breath -Tightness radiating down the jaw, neck, and left arm. -usually occurs with stress, physical exercise, digestion of large meal87
10252535735Diagnosis of Angina:Physical exam ECG **Catheterization Blood tests (cholesterol and triglycerides)88
10252543419Myocardial infarction (MI)Death of tissue muscle due to lack of blood flow : usually caused by CAD : commonly called heart attack89
10252560138Symptoms of Myocardial infarctionPain in one or both arms, back and stomach Shortness of breath (dyspnea) Cold sweat (diaphoresis), nausea, and light-headedness.90
10252584794Treatment of Myocardial infarction (MI)-Prevent shock -Releive respiratory distress -decrease work load -If cardiac arrest happens, CPR. -O2 and pain meds -meds to treat arrhythmias -meds to prevent clot-burst (thrombolytics) -stop smoking -Diet -exercise91
10252619574Common anticoagulantAsprin92
10252621078Common vasodilatorNitroglycerine93
10252623974Hypertensive heart diseaseResult of long-term hypertension94
10252634735Common causes of hypertensive heart disease:A group of disorders caused by hypertension Arteriosclerosis Atherosclerosis Kidney disease ** all cause high BP95
10252651929Treatment of Hypertensive heart diseaseTreatment of Hypertension cause No cure96
10252655687Rheumatic heart diseaseAutoimmune disorder caused by streptococcal throat infection Explanation: The immune system builds up antibodies against the streptococcal infection in the throat, which turn and attack the heart and valves.97
10252667883Treatment of Rheaumatic heart disease-Treat streptococcal infection -Rest during acute stage -Valve replacement98
10252674448Congestive heart failure (CHF)Failure of the heart to pump an adequate amount of blood to the body's tissues causing the cardiopulmonary system to become congested. - develops slowly and increased work load on heart99
10252687779Symptoms of CHF-Gradual increase in dyspnea -tachycardia -tachypnea -Edema100
10252696520Right-side CHF leads to congestion of:Liver and spleen Ankles and lower legs Neck vein distention (JVD)101
10252707775Left side CHF leads to congestion of:Lungs (pulmonary edema) -severe dyspnea / suffocation -pink sputum -cyanosis (dicoloration) -hypoxia -orthopnea102
10252735547Diagnosis of Congestive heart failure- Inspection of dyspnea and edema -Chest x-ray -ECG103
10252743335Treatment of Congestive Heart failure-Low salt diet -Diuretic meds -fluid restrictions ALL USED TO REDUCE FLUID RETENTION and INCREASE URINE OUTPUT -decrease work load -meds to strengthen and slow heart (Digitalis)104
10252759497Medication used to strengthen heart and slow heart rate.Digitalis105
10252788448CardiomyopathyDeterioration of the heart muscle : characterized by dilated, enlarged LV, thin, flabby heart muscle.106
10252800864Cardiomyopathy leads to :Congestive heart failure (CHF), myocardial infarction, and death.107
10252812970CarditisInflammation of the heart108
10252837459Carditis is usually a secondary disease to :Respiratory, UT or skin infections.109
10252838910Treatment of CartidisRest Antibiotics Analgesics (pain reliever) Antipyretics (reduces fever)110
10252847337Valvular heart diseaseMalfunction of heart valves characterized by murmurs or abnormal heart sounds111
10252851797MurmurAn abnormal sound in the heart or vascular system.112
10252854233Causes of valvular heart disease-Rheumatic fever -Congenital abnormalities -Endocarditis113
10252860221ArrhythmiasAbnormalities in heart rhythm due to a malfunction of the conduction system.114
10252866953Normal sinus rhythm60-100 bpm115
10252868332FlutterUnusually fast heart rate (350 bpm)116
10252870030FibrillationWild and uncoordinated heart rhythm117
10252873720Heart blockInterruption in conduction system118
10252514602Diseases of the Veins:Phlebitis Thrombophlebitis Deep Vein Thrombosis (DVT) Varicose veins119
10252886334PhlebitisInflammation of a vein Phleb = vein120
10252890343Symptoms of phlebitis-Pain -Swelling -Red, cord-like hardening along vein toward heart121
10252897990Milk legWhen phlebitis occurs in pregnant women as a result of onset milk production.122
10252903955Treatment of PhlebitisAnalgestics Warm compression Elevation Elastic stockings Exersice123
10252907750ThrombophlebitisClotting in vessels of legs, thighs and pelvis.124
10252913823Risk factors of thrombophlebitisImmobility Dehydration Varicose veins Leg/pelvic surgery obesity pregnancy125
10252922678Deep vein thrombosis (DVT)Thrombophlebitis in deep veins Treatment of DVT: - Reduce clot - prevent embolization - use anticoagulants126
10252933926Varicose veinsDilated, tortuous, and elongated veins in legs.127
10252945622Causes of varicose veinsProlonged sitting or standing Pregnancy Obesity128
10252948704HemorrhageAbnormal loss of blood129
10252958036Hemorrhage of Low-pressure vessels leads to :Petechiae (purple spot) Ecchymosis (bruise)130
10252967166Hemorrhage of high pressure vessels lead to :Squirting of bright red blood131
10252951153ExsanguinationLoss of circulating blood132
10252953126HemothoraxBlood in the chest cavity133
10252971188ShockExtremely low blood pressure that leads to decreased tissue perfusion.134
10252980122perfusionto pour through or supply with blood135
10252978746Carcdiogenic shockResults from the inability of the heart the pump blood adequately.136
10252990822Septic shockResults from septicemia (bacteria in blood)137
10252994149Hypovolemic shockResults from low fluid volume138
10252996189Neurogenic shockResults from vasodilation due to highly emotional situations.139
10252999196Anaphylactic shockResults from severe alergic reactions140
10253004620Symptoms of Shock:Facial pallor Cool/clamy skin Cyanosis Tachycardia Tachypnea Altered mental status Syncope Unconsciousness Oliguria (small amounts of urine) Anuria (no urine)141
10253013512Treatment for shock- Rest in supine -Move to warm, quiet environment - Elevate feet, legs142
10253019138Trendelenburg positionElevated feet and legs above heart143
10253028168Malignant hypertensionDiastolic pressure upto 130-170 mm Hg144
10253030737Cor pulmonaleRight-sided heart failure145
10253033971Raynaud's diseaseVasospastic disorder affecting the fingers and toes ; characterized by pale discoloration.146
10253041197Buerger's diseaseInflammation of the peripheral vessels with clot formation147
10253044194Polyartheritis nodosaVasculitis characterized by inflamed, necrotizing lesions in vessels148
10253052052Effect of Aging of cardiovascular system- decreased contractability of heart muscles - decreased elasticity of vessels - thickening of valves --> becoming sclerotic149

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