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Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
Note there is ST ... authors state that ST ... elevation in aVR ... #Cardiology #EKG ... #STElevations #
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
myocardial infarction: ST ... ST elevation in ... • Multilead ST ... elevation: Differential ... ) in WPW: ST elevation
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
diffuse, positive, ST ... with reciprocal ST ... normalization of ST ... Diagnosis #EM #IM ... #Cardiology #EKG
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... depression in aVR ... Prinzmetal's Angina ... #Elevation #differential ... #ecg #ekg #electrocardiogram
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
microvascular injury ... associated with ST ... • Transient ST ... changes on tele/ECG ... tests in cath lab Treatment
Owing to the morbidity and need for urgent treatment, STEMI is the default diagnosis is patients
need for urgent treatment ... patients with ST ... : #Diagnosis #Cardiology ... #EKG #ECG #STElevation ... #STSegment #Differential
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
ELEVATION Mnemonic for Causes of ST Segment Elevation

E - Electrolyte Abnormalities
L - Left Bundle Branch Block
E
for Causes of ST ... Aneurysm T - Treatment ... Pericardiocentesis) I - Injury ... #ST #Elevation ... #STElevation #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
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
Section: ST segment ... characterized by a coved ST-segment ... elevation in the ... Section: ST segment ... #cardiology #differential