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Forensic Medicine: Forensic Pathology Flashcards

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2555930304Abrasionsscraping of the skin surface, only epidermis is affected but can bleed0
2555930305Brush Abrasionangular contact with rough surface, skin tags1
2555930306Bruisesleaking of blood from damaged vessels, intact epidermis, red purple, blue brown, green brown, yellow2
2555930307Tramline Bruisingcaused by rectangular objects or cylindrical objects , central pallor with surrounding bruising3
2555930308Intradermal Bruisingsharply defined bleeding into the suspidermal layer caused by a patterned object4
2555930309Microscopyhaemosiderin can be found in bruises aprox 48 hours5
2555930310Lacerationtearing of the skin due to blunt force trauma6
2555930311Blunt Force TrumaAbraisons, bruises, lacerations7
2555930312Sharp Force Traumaincised wounds, slash wound, stab wound8
2555930313Incised woundcaused by anything with a sharp edge9
2555930314Slash Woundlonger than it is deep10
2555930315Stab Wounddeeper than it is long11
2555930316Atherosclerosishardening of the arteries, build up of fatty plaque on the inside of the arteries, reduces the diameter of the artery and bloodflow12
2555930317Cardiac Enlargementmismatch between muscle mass and blood supply, caused by high blood pressure or heart valve diseal13
2555930318Heartmade of myocardium muscle, divided into four chambers, ventricles & atria14
2555930319Blood Supply To The Heart3 main arteries, circumflex, left anterior descending, right corrany artery15
2555930320Arteriesthick walled, high pressure, elastic, smooth muscle, carries blood away from the heart16
2555930321Veinsthinner walled, low pressure, carries blood towards the heart, valves, deoxygenated17
2555930322Gas Exchangeoxygen is inhaled into air passages, diffusion into blood vessels in alveolus wall, exchange for carbon dioxide from blood, carbon dioxide exhaled18
2555930323Airwaysnose, mouth, larynx, trachea, bronchi, branches, alveoli, lungs19
2555930324Suffocationlack of oxygen in the environment or from obstruction of the air passages20
2555930325Smotheringclosing the external respiratory orifices or by blocking up the cavities of the nose and mouth21
2555930326Early Post Mortem Changesrigor mortis, lividity/hypostasis, body temperature22
2555930327Later Post Mortem Changesputrefaction, adipocere, mummification, skeletalisation, damage by predators23
2555930328Rigor Mortisbreakdown of glycogen in muscle, build up of ADP, muscle fibres remain in contracted state24
2555930329Timing of Rigorvery variable, temp of surroundings, physical activity before death, warm & flaccid 3 hours, warm & stiff 3-8 hours, cold & stiff 8-36 hours, cold & flaccid more than 36 hours25
2555930330Hypostasispooling of blood in dependent parts of the body due to gravity, variable in colour26
2555930331Body Temperature37, falls until reaches temp of surroundings, time of death = 37-body temperature + 327
2555930332Putrefactionred/black discolouration, skin blistering, gaseous, purging of fluid, insect activity, variable time scale28
2555930333Mummificationcan take months or years and last for years, drying of surface or body29
2555930334Adipocerewhite fatty change to the body, can develop in a number of weeks, few months30
2555930335Skeletalisationmay take as little as a few months31
2556033805Body Fluidsblood, saliva, semen32
2556035033Presumptive Colour Tests For Blood Stainsiron serves as a catalyst for an oxidation reaction, phenolphthalein test, colourless to pink33
2556036831Fluorescence Based Presumptive Tests For Bloodspray area of interest, observe & document in darkness, luminal blue34
2556039658Confirmatory Testscrystal tests, targets the non protein heme groups35
2556040470Species Identificationprecipitin test, based on antibody/antigen complex formation36
2556041300Presumptive test for semenvisual and alternative light tests, acid phosphate test37
2556041769Acid Phosphate Testdetects protein in the seminal fluid, is not a test for sperm, intense purple colour, removes phosphates from proteins38
2556043230Confirmation tests for semenchristmas tree stain, semen strip test, prostate specific antigen39
2556044343presumptive starch iodine teststarch appears blue as amylase breaks down starch blue disappears40
2556045693confirmatory tests for salivabased on antibody that is specific for the amylase variant that is present in human saliva41
2556060181Forensic Pathologistduty to investigate all sudden & unexplained deaths aswell as deaths in suspicious circumstances42
2556064211Purpose of Autopsyascertain the cause of death, help exclude suspicious circumstances, help determine circumstances surrounding the death, identification43
2556068918External Examrigor mortis, hypostasis, general features, injuries44
2556069589Internal Examremoval of major organs, examination of each organ, body cavities, skeleton45
2556073937Further Investigationstoxicology, histology, neuropathology, immunology46
2574010964Defence Woundsback of forearm, wrist, hand, palm of hand, thigh, shins47
2574016834Description of stab woundsdirection, depth, approximate force, internal structures damaged48

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