Cardiac Flashcards
(194 cards)
What causes Printzmetal Angina? What drug is used to Dx Prinzmetal’s Angina?
coronary artery vasospasm
Ergonovine
Would Printzmetal Angina cause ST elevation or ST depression?
ST elevation
Which protein is the gold standard for MI?
Troponin I
How long does it take for Troponin I levels to rise?
2-4 hours
How long does it take for Troponin I to peak?
24 hours
Which protein is the transient marker for MI?
CK-MB
How long is the myocardium dark following M.I.?
4-24 hours
What is the microscopic change one day post-MI?
coagulative necrosis
What is the microscopic change one week post-MI?
invasion of neutrophils and then macrophages
What vessel feeds the papillary muscle?
RCA
What is the complication of neutrophils invading the myocardium post-MI?
fibrinous pericarditis
How does fibrinous pericarditis present?
friction rub
What is the complication of macrophages invading the myocardium post-MI?
wall rupture
What type of tissue invades one month post-MI?
granulation tissue
What is the gross change months after an MI?
white scar
What is the complication of a white scar in the myocardium?
Aneurysm
What mediates Dressler syndrome? How many weeks post-MI does it take for this to occur?
autoimmune reaction to PERICARDIAL membrane
6-8 weeks
How is Dressler Syndrome treated?
colchicine
What are VSDs associated with?
fetal alcohol
What is Eisenmenger Syndrome?
VSD–> L to R –> Pulm. HTN–> R to L
What type of speciific heart defect is associated with Downs Syndrome?
Ostium Primum ASD
Why does an ASD produce a split S2?
more blood in left heart delays closure
What is the important and potentially fatal complication of an ostium primum?
paradoxical emboli
What is the most common cause of a PDA?
congenital rubella