MUST KNOW Flashcards
Picture of red burnt foot, straight line of demarcation on ankle.
Immersion
Isopropanol is?
Twice as intoxicating as ethanol
What is the most common cause of death in the 24 hours following tonsillectomy?
Bleeding (other
choices aspiration pneumonia)
Slide: decomp man with elevated blood alcohol and this finding in kidney. Cause?
Poisoning (ethylene glycol)
How to calculate perimortem blood ETOH based on urine?
Urine 1.3 to Blood 1.0
Man is assaulted and presents to the ED the following day with abdominal pain. He collapses and
undergoes vigorous resuscitation. At autopsy- marked CAD and anterior liver laceration with 450 cc
hemoperitoneum. What is COD?
heart disease
What kind of current is lightning?
direct, high
Two separate questions with images of pons, one gross, one luxol fast blue, both showing central
pontine myelinolysis, associated with?
Chronic EtOH
Gross picture of brain with periventricular plaques.
Autoimmune disease (MS)
REPEAT:
What type of ammunition is being shown?
ACP ammunition
core and jacket separate so you see small little balls of core and then the jacket
What is definition of stopping power?
Police term
Stopping power is the ability of a firearm or other weapon to cause enough ballistic trauma to a target (human or animal) to immediately incapacitate (and thus stop) the target
Man with helium tank running into bag over head, mechanism of death?
Exclusion of oxygen
slide: Duodenum with black pigment on mucosal surface (?charcoal). What is cause of death?
poisoning
Best sample for Channelopathy testing?
EDTA tube (other choices fresh frozen heart, blood spot card)
Hypoxia in the perinatal period causes what change in the neurons?
Basophilia (other choices
karyorrhexis)
Xray of child’s head with small, radio-opaque round object (BB sized), ID.
Low-velocity weapon vs radiology marker (other choices high velocity weapon)
What chemical is a/w an elevated CO?
methylene chloride (other choices methyl chloride, methyl bromide, ethylene chloride)
Why is benzidine used as a presumptive test for blood?
Sensitive and specific (other choices
nontoxic)
At what speed does a .38 caliber bullet penetrate the skin?
About 200 ft/sec
How many CME credits per year do you need?
35
Picture of detached mandible with soft tissue removed, teeth have pink discoloration, cause?
Postmortem change
Armpit with charring/burns, what type of electrical injury?
High voltage (other choices water electrocution, low voltage)
Virtual slide: two hippocampi, one sclerotic. Result?
Epilepsy
Coronary artery dissection associated with?
peripartum
Slide of ARVD-COD?
Arrhythmia
Traumatic SAH is associated with?
Blow to neck
18 yo truck driver pulled from water with scalded-looking skin, burns on face, cause?
Burn from battery acid
What knife caused this wound?
Ricasso
Virtual slide: 2 day old infant with gross photo of mass around adrenal and this micro appearance
Neuroblastoma
slide: lung
coccidioides
Close up picture of child’s neck with dried yellow fold, and grouped vertically-oriented parallel
“abrasions”, cause?
Ligature vs serrated knife vs clothing
What is most important to examine in lightning death?
clothing
Which is last epiphysis to close?
Medial clavicle/proximal humerus (other choices included lateral clavicle, proximal radius, sacroiliac joint – always two given at once)
A 16 year old was at party, presented unresponsive to the ER with hyperthermia, most likely
intoxicant?
MDMA
Picture man with dicing injuries (versus road rash) on left side of forehead. What can you tell about
position in car?
driver
Alcoholic cardiomyopathy associated with?
age greater than 60
What is different about cocaethylene compared to cocaine?
more potent
Which medication causes agranulocytosis?
Clozapine
Mechanism of death in acute mountain sickness?
Noncardiogenic pulmonary edema and/or Cerebral edema
Two photos, one showing head with hole in head and one with torso/extremities with penetrating
injuries, cause?
fireworks injury/blast injury (other choices included electrocution, gunshot wounds)
Picture of pretty normal looking GEJ, slightly blue – probably varices, person also has?
Coagulopathy
Cross section of lungs from homeless woman with numerous small nodules, consistent with?
TB
What is the test for GSR detecting?
Antimony, Bismuth, Lead, Nitrate, and Nitrite
How much voltage is in power lines?
7-8000 (high voltage)
Which body systems is benzene most toxic to (given 2)?
Brain and bone marrow (other choices liver
and kidney, heart and skin)
Picture of balcony with shoes and stepstool, manner of death?
suicide
One paired stab wound of chest, caused by?
scissors
Skeletal survey of infant with healing fracture of left radius/ulna, what is shown?
Remote injury
(other choices included normal, osteogenesis imperfecta)
Lady with blood coming out of her mouth, chemical burns like injuries described to her tongue esophagus and stomach. Pungent odor when opening the body.
Hydrogen sulfide
slide: young woman died suddenly with this liver. cause?
Eclampsia
showing liver with periportal necrosis
slide: woman with this finding in lung, cod?
drug overdose
What causes brown lividity?
sodium chloride, inorganic nitrate, methemoglobinemia
Picture of whole kidney with triangular infarcts.
fat emboli
In postabsorptive phase, what site has lowest alcohol level?
Brain (very fatty, alcohol goes toward water)
slide: 32 year old woman dead, this finding in lung
Amniotic fluid embolism
What percent of hospitalized patient die from pulmonary emboli?
5-10 percent
Which organ has lowest blood alcohol after equilibration?
brain
Four pictures of car-pedestrian impact, one of car with front headlight broken, person with 3 parallel
lacs to left occipital skull, stellate lac to right occipital skull, avulsion pocket left thigh, injury caused
by what type of impact?
Secondary (other choices primary, tertiary, quaternary)
Man pulled out of water after 3 days, bits of skin all chewed off, cause?
Anthropophagy
Cross-section of lung with apical blebs/honeycombing only, cause?
Smoking (other choices alpha-1
anti-trypsin)
Chasing the dragon, what is present in blood?
Morphine (other choices pcp, cocaine)
What disease is characterized by basal ganglia calcification?
Fahr’s disease
slide: 36 yo man with this heart finding. what would special stains show?
NOTHING
this is giant cell myocarditis
Difference with sarcoid is no granulomas and no necrosis
both would be negative with special stains
Body cavity showing adhesions between liver and chest plate (Fitzhugh Curtis syndrome), A/w?
pid
What chemical cannot be detected after embalming?
cyanide
Pictures of house, father and son decomposing in separate rooms, and water heater with detached
line and lots of rust, what should emergency responders be careful for?
CO (other choices radon,
natural gas)
slide: what is this in lung?
fat embolism
REPEAT
micro: Testes of chronic alcoholic
Atrophy
Picture of an adult’s neck with a pink, scaly lesion.
Ringworm infection
slide: Child’s liver with microvesicular steatosis, cause?
Disorder of fatty acid oxidation
Picture of medial aspect pubic symphysis, very rough parallel lines, what is age?
Youngest they give
Picture of breasts with two stab wounds, cause?
Stab wounds/due to knife (other choices
therapeutic)
Cross section of kidney with changes c/w sepsis. ID
Cross section of kidney with changes c/w sepsis. ID
50 kg woman bleeds 1750 ml from a liver laceration. Is this sufficient to cause death?
Yes (70 cc/ kg of body wt = 3500 cc, so she’s lost half her blood volume)
Bullet in person is flat with mirror like surface, bullet most likely is?
ricochet
What is the most important factor in the damage caused by an electrocution?
amps
What organization assumes the central investigative role in airplane crashes?
Where are tox samples sent in plane crashes?
National Transportation Safety Board (NTSB)
Tox samples are sent to the Federal Aviation Administration’s Civil Aerospace Medical Institute
Purple contusion, what can you tell about age of injury?
nothing
Gross picture of diaphragm with plaques, due to?
Exposure to crocidolite
What is vitreous alcohol after equilibration?
Same (other choices higher, lower than blood alcohol)
Man with bag over head and belt around neck with cloth underneath, MOD?
accident
Slide: 46 yo man found dead with this finding in brain
Neurocysticercosis
Child with zig-zag pattern on head, caused by?
Run over by truck
Nurse administers medication, patient has peaked T waves then dies, what did she give?
potassium
REPEAT
Microscopic photo of plant debris barried by bullet through body. What organ did it perforate?
Stomach
Blood cysts on heart valve
Blood cysts on heart valve
3 separate questions with pictures of striae of groin—
stretch injury from pedestrian struck from
behind by vehicle (some people thought one of them was postmortem insect activity)
ragment of skull with yellow discoloration associated with?
Tetracycline
How long after trauma does fat embolism usually occur?
1-3 days
Picture of emaciated baby, best test to determine mechanism of death?
Vitreous electrolytes (other choices GI sections, liver sections, BMI calculation)
Slide: 77 yo man found behind bar with this finding in brain. cause?
Trauma/contusion
Gross picture of heart with pericarditis. Organ system failing?
renal/GU
Picture of crack pipe, identify
Picture of crack pipe, identify
There will be pic of young woman with what look like sharp force injuries on face
PICK DOG BITE
What antipsychotic drug has been known to cause paralytic ileus and bowel obstruction (sometimes fatal) in schizophrenics?
Clozapine
Best way to determine shotgun gauge?
Examine wad (other choices weigh pellets)