21 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
a patient with AV ... contraction of atria ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Neck Examination ... AV dissociation ... : 3rd deg AV block ... for DDI and an atrial ... #JVP #Clinical
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 ... #diagnosis #cardiology ... #CVP
Jugular Venous Pressure Waveform Patterns
A. Tricuspid Regurgitation
B. Tricuspid Stenosis
C. Constrictive Pericarditis
D. Atrial Septal Defect
E. Atrial Fibrillation
F.
Jugular Venous Pressure ... Block G. ... Complete AV Block ... Waveform #Patterns #JVP ... #Cardiology #diagnosis
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... - Differential Diagnosis ... atrioventricular block ... Atrioventricular dissociation ... #Waveforms #JVP
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 ... #PhysicalExam #JVP ... #Cardiology #Neck
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart ... P and QRS • Atrial ... • Block in AV ... #Diagnosis #EKG ... electrocardiogram #ecg
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Diagnosis Summary ... intervals are regular ... #ecg #diagnosis ... classification #summary
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Degree AV Block ... independently of the atria ... dissociation and ... heartblock #cardiology #ecg ... #ekg #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 3 different P waves ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis