9 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
, the atria and ... EKG of the same ... are enough to diagnose ... excludes other differentials ... #Neck #Frog #Sign
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
diagnosis includes ... , AVRT, atrial tachycardia ... #electrocardiogram ... #diagnosis #ekg ... cardiology
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... as they result from ... Serial EKGS in pts ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Small secundum ASD ... Flow from IVC hampering ... #Diagnosis #cardiology ... echocardiogram #s4c ... #pocus #bubble
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
junctional tachy not from ... intervals >120-200ms from ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
your R is far from ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypokalemia • Bundle ... 300 = NSVT EKG ... Diagnosis: • PAC ... #differential # ... cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
V2 • Wellens sign ... indistinguishable from ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Diagnosis Framework ... STE: "Pardee's sign ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram