11 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... contraction of atria ... #AV #dissociation ... #JVP #jugular # ... neck #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Cannon a waves ... AV dissociation ... #AWaves #Neck # ... PhysicalExam #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... , it indicates AV ... activation from SVT (e.g ... #AWaves #diagnosis ... #cardiology #CVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
, sinus tachycardia ... pulmonic stenosis - Cannon ... dissociation, ventricular ... #Waveforms #JVP ... #PhysicalExam #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... In AVNRT, the atria ... EKG of the same ... #PhysicalExam #JVP ... #Cardiology #Neck
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
3 different P waves ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the presence of AV ... Wandering Atrial ... #diagnosis #ekg ... #ecg #electrocardiogram ... #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the presence of AV ... Wandering Atrial ... #diagnosis #ekg ... #ecg #electrocardiogram ... #comparison
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
(> 160ms) - AV ... dissociation (P ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology ... #diagnosis #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... group-beating" on the ECG ... • This is a clinically ... #ekg #ecg #diagnosis ... #electrocardiogram