4 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... excludes other differentials ... ’s called Frog sign ... #AVNRT #PhysicalExam
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... #EKG #diagnosis ... #differential #
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... Diagnosis Framework ... STEMI: • Upsloping ... STE: "Pardee's sign ... #ecg #ekg #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... #EKG #diagnosis ... Interpretation #differential