23 results
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
AV dissociation ... : 3rd deg AV block ... and an atrial tachycardia ... #JVP #Clinical ... #Video #Cardiology
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
in the JV. ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck ... #cardiology #Canon
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
bundle branch block ... bundle branch block ... ; RWPT, R wave peak ... #Electrocardiogram ... #Diagnosis #Cardiology
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
AVNRT on Neck Physical ... shown , what’s the diagnosis ... ... regular cannon ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... atrioventricular block ... Atrioventricular dissociation ... #Waveforms #JVP ... #PhysicalExam #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
transmitted to JV ... EKG of the same ... are enough to diagnose ... #PhysicalExam #JVP ... #Cardiology #Neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Evaluation of Regular ... AV Dissociation: ... Interpretation #ECG ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 3 different P waves ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Narrow & regular ... non-conducted P wave ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology