FA 2016 288-290 Flashcards
List of commonly occluded coronary arteries in order.
LAD > RCA > Circumflex
what is seen on light microscopy in a an M.I in 0-24 hrs?
Early Coagulative Necrosis, Wavy fibers, Hypercontraction of Myofibrils. Neutrophils
what are the complication seen in an M.I patient in 0-24hrs?
Ventricular Arrhythmia, HF and cardiogenic Shock
what is seen on Light microscopy in an M.I patient in 1-3 days?
Extensive coagulative Necrosis & Acute Inflammation with Neutrophils
What are the complication in an M.I in day 2?
Fibrinous Pericarditis
What is seen in Light microscopy in Day 8 of M.I?
Macrophages then granulation tissues at the margins
What is the complication on day 8 in an M.I?
Papillary Muscle Rupture, Cardiac Tamponade, Mitral Regurgitation.
What artery is damaged on day 8 in an M.I?
RCA from rupture of the papillary muscle
what is seen on light microscopy in 4 weeks of an M.I?
Scar formation
What is Dressler syndrome?
Pericarditis that occurs 6-8 weeks after M.I due to an autoimmune phenomena.
What is used as a diagnosis in the first 6 hours of an M.I?
ECG (GOLDEN STANDARD)
What is the most specific protein marker in an M.I?
Troponin I
What protein marker is used in Diagnosing an M.I Reinfraction?
CK-MB
whats the difference between Transmural Infraction and Subendocardial Infraction?
Transmural (ST elevation and prominent Q wave) Affect Entire wall
SubEndocardial:( ST depression) ischemic necrosis,
A prominent Q wave
Transmural M.I
elevated q wave on V1-V2, what artery is occluded?
LAD
in an Anterior Septal Infraction what artery is occluded?
LAD
What artery is occluded in V3-V4 Leads?
LAD
What artery is occluded in an anterioapical infraction?
distal LAD
What area of the heart is damaged in Lead 1 & AVL?
lateral Infaction
What artery is damaged in Lead 1 & AVL?
Left circumflex artery (LCX)
What two arteries are damage in infarction of Lead v4-V6?
LAD & LCX
Damaged to Lead 2. 3 and AVF? what artery is occluded? and what part of the heart is damaged?
RCA & Inferior Wall
Infraction location of Tall R waves and artery occluded?
Posterior Wall & PDA
Infraction of lead V7-V9, what artery is damaged?
PDA
ST segment depression in V1-V3 of Tall R waves? what artery is affected?
PDA
What is the most common cause of death in an M.I patients before reaching the hospital?
Ventricular Arrythmias
what day in an m.i do you see Post infraction fibrinous pericarditis?
1-3 days
what time frame do you see papillary muscle rupture?
3-14 days
when do you see Mitral regurgitation in a patient with M.I?
3-14 days
what the difference between stable and unstable angina
stable: chest discomfort with activity
Unstable: chest discomfort with or without activity
