18 results
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
on ECG - aVR ... ST segment elevation ... ST segment elevation ... > ST segment elevation ... #Electrocardiogram
Knuckle Sign on ECG - Acute Pericarditis

Electrocardiogram of a 68-year-old woman two days after coronary artery
coronary artery ... Note the diffuse ST ... elevation, except ... , and PR elevation ... #EKG #Electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
artery (LMCA). ... ST elevation in ... widened QRS and QTc ... ) in WPW: ST elevation ... #electrocardiogram
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
Pattern STEMI ... 1) Upsloping ST ... elevation in aVR ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI - Elevation ... point • De Winter syndrome ... elevation in aVR ... #differential #cardiology ... #electrocardiogram
Wellen's Syndrome 
Type A - Biphasic T wave 
Type B - Deeply inverted T wave
Wellen's Syndrome ... descending (LAD) coronary ... artery • May ... Classification #Types #Cardiology ... #EKG #ECG #Electrocardiogram
De Winter T-Waves on EKG
 - Anterior OMI
 - 2% of left anterior descending occlusions
 -
STEMI - look for ... ST elevation in ... aVR (0.5-1mm) Look ... #ECG #Electrocardiogram ... #diagnosis #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... • Epicardial artery ... #ST #STEMI #Segment ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
leads with STE in avR ... - Wellen's T ... inversion - STE avR ... #electrocardiogram ... #cardiology #STEMI
Progression of EKG changes in Acute Coronary Syndrome (ACS)
Hyperacute T waves:
 • Broad-based and symmetrical, usually
changes in Acute Coronary ... Syndrome (ACS) ... ST elevation at ... Progression #diagnosis #electrocardiogram ... #syndrome