5 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
transmitted to JV ... excludes other differentials ... ’s called Frog sign ... #JVP #Cardiology ... #Neck #Frog #Sign
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
predictor of recurrent ischemic ... ST elevation: Differential ... suggestive more of AVRT ... #electrocardiogram ... #cardiology
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 ... EKG #diagnosis #electrocardiogram ... #cardiology #STEMI ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
V2 • Wellens sign ... pain • Wellens sign ... deviation) • Acute ischemia ... EKG #diagnosis #differential ... #cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... STE: "Pardee's sign ... depression in aVR ... (Eiffel Tower sign ... #ecg #ekg #electrocardiogram