6 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
artery (LMCA). left anterior ... Subepicardial atrial injury ... tachycardia, widened QRS ... #electrocardiogram ... #differential #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Septal (V1-2) • Anterior ... • Lateral (I + aVL ... leads except aVR ... de pointes • Short ... Interpretation #ECG #Electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
boxes) - HiPR: AV ... V-pacemaker, ↑K, ICD ... 500 DANGER - Short ... QT <300-360 ms: ... EKG #diagnosis #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... ST elevation in aVR ... of the leads l, aVL ... #differential #cardiology ... #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
1/3 height of QRS ... wave inversion in avL ... - early inferior ... EKG #diagnosis #electrocardiogram ... #cardiology #STEMI
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
depression in aVR ... , not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... #ecg #ekg #electrocardiogram