26 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves ... #CVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Differential Diagnosis ... , sinus tachycardia ... Atrioventricular dissociation ... - Large cv waves ... Jugular #Waveforms #JVP
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
contraction of atria ... msocoMD #CanonA #Awaves ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
is shown on the neck ... increase in CVP ... diastole, when the tricuspid ... UCSFIMChiefs #CannonA #AWaves ... Clinical #Video #JVP
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... AV dissociation ... for DDI and an atrial ... tachycardia much ... #JVP #Clinical
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
negatively-directed flutter waves ... appearance on ECG ... to the flutter waves ... #Diagnosis #ECG ... #EKG #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #PhysicalExam #JVP
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... 3 different P wave ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
) on EKG • Heart ... At-least 3 distinct P-wave ... #Tachycardia #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
ECG changes in Pulmonary Embolism
 - 
Sinus tachycardia 
 - 
Complete or incomplete RBBB 
 -
ECG changes in Pulmonary ... - Dominant R wave ... segment and T wave ... S1Q3T3 #Predictive #ECG ... #EKG #Findings