4 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... inversion in avL ... #Ischemia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... of the leads l, aVL ... #Equivalents #ECG ... #EKG #diagnosis ... cardiology #electrocardiogram
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... excludes other differentials ... #PhysicalExam #JVP ... #Cardiology #Neck ... #Frog #Sign
Causes of ST Segment Elevation - Differential Diagnosis Framework

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