11 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ST elevation in ... elevation: Differential ... ) in WPW: ST elevation ... #ekg #differential
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
elevations with ... be present in all ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology ... #EKG #Pericarditis
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
1 - Widespread ST ... elevation (<5mm ... depression; In aVR ... segments, usually best ... #cardiology #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... , not in aVL • ... , not in aVL, when ... #Elevation #differential ... #diagnosis #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
elevation in aVR ... of the leads l, aVL ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
younger than other ACS ... associated with ST ... Variable troponin elevation ... Diagnosis: ... changes on tele/ECG
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
leads with STE in avR ... wave inversion in avL ... #EKG #diagnosis ... electrocardiogram #cardiology ... Interpretation #differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
long QT via long ST ... assoc with 1K, AV ... #EKG #Checklist ... #diagnosis #cardiology ... electrocardiogram #differential
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
Pericarditis, Tamponade EKG ... Findings: - AV ... Myocardial injury (ST ... elevation), Low ... #Myocarditis #diagnosis
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential ... Diagnosis The ... tests before beginning ... lactate and can act ... #Differential #