5 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 ... Subepicardial atrial injury ... elevation: Differential ... cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
depression in aVR ... Elevation of PR ... indicates atrial injury ... Diagnosis #EM #IM ... #Cardiology #EKG
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
microvascular injury ... Variable troponin elevation ... changes on tele/ECG ... tests in cath lab Treatment ... #cardiology #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... depression in aVR ... Prinzmetal's Angina ... blocking drugs #STElevation ... #Elevation #differential
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
acute cardiac injury ... Pericarditis, Tamponade EKG ... Findings: - AV ... (ST elevation), ... Low voltage Treatment