5 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... rapid cannon a waves ... sign! ... Hussainch #Cannon #Awaves ... #Sign
Lancisi's Sign (Tricuspid Regurgitation) in a patient with Atrial Fibrillation

If you went to med school before
Lancisi's Sign ( ... obscenely huge waves ... it giant A or V wave ... indeed Lancisi's sign ... #Lancisis #Sign
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... DANGER Narrow - Regular ... junctional tachy not from ... 3 different P waves ... #EKG #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... V2 • Wellens sign ... pain • Wellens sign ... indistinguishable from ... #EKG #diagnosis
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Wave Inversion ... threatening T wave ... angina; but T wave ... #Wellens #Sign #