Cardiology Flashcards
Chest pain best test
- EKG
2. Cardiac Enz
Anterior STEMI (Leads and Location)
LAD
STE: V1 through V4
Lateral STEMI (Leads and Location)
Circumflex
STE: I, aVL, V4 through V6
Inferior STEMI (Leads and Location)
RCA
STE: II, III, aVF
ST Depression Implication
Subendocardial injury
STEMI Criteria
2mm elevation OR New LBBB (see V1 & V2)
Cardiac enz (Rise-Peak- Return to Normal)
Myoglobin: 2hr & 24 hrs -> reinfarction marker
CKMB: 6hr-24 hrs-72hr
Tropnin: 4hr-24 to 48hr-7 to 10dy
Acute STEMI Treatement
Which Inc. survival?
- B-blocker** (dec. HR and Contractility = Dec O2 demand; Dec. remodeling) -> carvedilol
- Asprin** (dec. reocclusion)
- ACE inhibtor** (dec. remodeling)
- O2
- Statin (Atorvastatin 80)
- Nitrate (sx relief)
- Heparin (prevent thrombus progression)
- Coronary angiography w/in 48 hrs!
Post-revascularization Pts MUST be on?
Time frames?
Duel anti-platelets! -> Aspirin and Clopidogrel
3mo for barre metal
12mo for drug-eluding
CABG indications
- > 70% occlusion
- 3 vessel Disease (2 vessel if DM)
- L main involved
Contraindications to stress test?
- Old LBBB
- Baseline St elevations
- Using Digoxin
* * Do Exercise Echo**
Drugs for Pharm Stress?
Dobutamine
Adenosine
1 cause of Post-MI Death?
Arrhythmia -> V. fib
Post-MI new Murmur?
Papillary muscle Rupture
MI complications at: hrs days weeks months
Hrs: Arrhythmia
Dys: Pericarditis
Wks: Ruptures (Free wall or sepal or papillary muscles) & Dressler
Mth: Aneurysm
Post-MI severe hypotension
Ventricular wall rupture
Post-MI persistent ST elevation and MR(-like)murmur?
Ventricular Wall aneurysm
Post-MI, pleuritic chest pain + low fever
Tx?
Dressler Syndrome
Tx; NSAIDs and ASA
Chest pain BETTER leaning forward…
Tx?
Pericarditis
Tx NSAIDs