5 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... predictor of recurrent ischemic ... tachycardia ddx: AVNRT ... supraventricular tachycardia (SVT ... #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... leads with STE in avR ... inversion - STE avR ... #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... elevation in aVR ... V2 • Wellens sign ... deviation) • Acute ischemia ... differential #cardiology #electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
• Dominant R Wave ... leads) RV Ischemia ... • Non-specific ST-T ... Changes • STE in aVR ... diagnosis #cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
STE: "Pardee's sign ... depression in aVR ... depression in aVR ... complex Pulmonary Embolism ... #ekg #electrocardiogram