6 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... are enough to diagnose ... #Cardiology #Neck ... #Frog #Sign
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
against a closed tricuspid ... activation from ... SVT (e.g., junctional ... #diagnosis #cardiology ... #CVP
Lancisi's Sign (Tricuspid Regurgitation) in a patient with Atrial Fibrillation

If you went to med school before
Tricuspid Regurgitation ... a patient with Atrial ... nice to have ur finger ... #Atrial #Fibrillation ... #Neck #JVP #Clinical
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... Equivalents / Don't Miss Signs ... asymmetrical, similar or bigger ... than QRS - deWinter ... #EKG #diagnosis
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 ... indistinguishable from ... #EKG #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Narrow - Regular ... junctional tachy not from ... 3 different P waves ... intervals >120-200ms from ... #EKG #diagnosis