7 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Caused by atrial ... , it indicates AV ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
AV dissociation ... , or, as this case ... VivekKulkarniMD #CannonA #AWaves ... #JVP #Clinical ... #Video #Cardiology
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
a patient with AV ... #waves #AV #dissociation ... #clinical #video ... #JVP #jugular #neck ... #cardiology #Canon
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... excludes other differentials ... that’s called “clinical ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 3 different P waves ... 200ms from longer pause ... electrocardiogram #cardiology ... #differential
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... Differential/diagnosis ... Patient has t-wave ... seen in 34% of cases ... #clinical #cardiology
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
O: Obstructed AV ... as first-degree AV ... segment • Epsilon #clinical ... Clinical Utility ... #cardiology #differential