Left anterior descending, right coronary and left circumflex Correct Ans-What are the most
commonly affected vessels in MI?
TnI. Rises after 2 hours, peaks at 24, returns to normal by 7-10 Correct Ans-What is the
most sensitive and specific cardiac marker? When does it peak?
Aspirin/heparin, O2, nitrates, beta blocker/ACE inhibitor Correct Ans-What is the
pharmacological treatment for MI?
Fibrinolysis or angioplasty Correct Ans-What is the non-pharmacological treatment for MI?
Contraction band necrosis (Ca2+ influx), reperfusion injury (free radicals) Correct Ans-
What are the potential consequences of fibrinolysis post-MI? What causes them?
No change Correct Ans-What microscopic changes are seen < 4 hours post MI?
Coagulative necrosis Correct Ans-What microscopic changes are seen 4-24 hours post MI?
Neutrophilic infiltrate Correct Ans-What microscopic changes are seen 1-3 days post MI?
Macrophage infiltrate Correct Ans-What microscopic changes are seen 4-7 days post MI?
, Pathoma - Cardiac pathology- Questions and Answers
Granulation tissue with plump fibroblasts, collagen and blood vessels Correct Ans-What
microscopic changes are seen 1-3 weeks post MI?
Fibrosis Correct Ans-What microscopic changes are seen >3 weeks post MI?
1-3 weeks. With deposition of granulation tissue Correct Ans-When would an MI appear
red grossly after an MI?
Immediately - 24 hours. During coagulative necrosis Correct Ans-When are arrhythmias
most likely to occur as a complication post MI?
Fibrinous pericarditis Correct Ans-What complication might result from the neutrophilic
infiltrate post MI?
Macrophage inflitrate, 4-7 days post MI Correct Ans-What microscopic change would be
seen at the time of rupture post MI?
During the formation of fibrosis, > 3 weeks post MI Correct Ans-When would an aneurysm
or mural thrombus most likely result post MI?
Unexpected death due to cardiac disease, occurring without symptoms (or <1 hour after
symptoms arise) Correct Ans-What is the definition of sudden cardiac death?