Cardiology - Emma Holliday Review Flashcards
A patient comes in with chest pain… Best 1st test?
EKG
Chest pain if on EKG 2MM ST elevation or new LBBB?
STEMI
EKG changes in STEMI immediately? T wave inversion? Forever?
Immediately - ST elevation
6 hrs to years - T wave inversion
Forever - Q waves
Tx of STEMI?
Emergency reperfusion - Cath Lab or *thrombolytics if no CIs
Symptoms of Right ventricular infarct?
Hypotension, tachycadia, clears lungs, JVD, and NO pulsus paradoxus
What is CI in right ventricular infart?
Nitro
Tx of right ventricular infarct?
Fluid resuscitation
A patient comes in with chest pain… second best test?
Cardiac enzymes
What cardiac enzymes do you check?
Myoglobin, CKMB, Troponin I
When does myoglobin rise? peaks? normal?
1 hr
2 hrs
24 hrs
When does CKMB rise? peaks? normal?
4-8 hrs
24 hrs
72 hrs
When does troponin I rise? peaks? normal?
3-5 hrs
24-48 hrs
7-10 days
Chest pain w/ No ST-elevation on EKG, and elevated cardiac enzymes?
NSTEMI
Patient has a NSTEMI how often do you check cardiac enzymes?
q8 hrs X 3
Tx of NSTEMI?
Morphine, oxygen, nitrates, ASA/clopidogrel, & B-blocker
What must be done w/n 48 hrs in patient who had NSTEMI?
Coronary Angiography
What is standard in NSTEMI after coronary angiography?
Percutaneous coronary intervention w/ stenting
When do you do a CABG?
L main dz, 3 vessel dz, 2 vessel dz and DM, > 70% occlusion, pain despite max medical tx, post infarction angina
STEMI/NSTEMI discharge meds?
ASA (+ clopidogrel for 9-12 months if stent placed) B-Blocker ACEi if CHF or LV-dysfunc Statin Short acting nitrates
Chest pain with no ST-Elevation on EKG and normal cardiac enzymes x 3?
Unstable Angina
Workup of unstable angina first test? Avoid what before the test?
Exercise EKG
B-blockers and CCBs
When is a exercise EKG stress test CI? What do you do instead?
Old LBBB
Baseline ST-elevation
on Digoxin
Exercise Echo
What needs to be done if a patient cannot exercise?
Chemical stress test w/ dobutamine or adenosine
What is a MUGA?
Nuclear medicine test that shows perfusion of areas of the heart.
What should be avoided in before a MUGA?
Caffeine
Theophyline
Post-MI complications: MC cause of death?
Arrhythmias - V-Fib
New systolic murmur 5-7 days post MI?
Papillary muscle rupture
Acute severe hypotension post MI?
Ventricular free wall rupture
Post MI: “Step-up” in O2 conc from RA –> RV?
Ventricular septal rupture
Persistent ST elevation ~1 month later post MI + systolic MR murmur?
Ventricular wall aneurysm