31 results
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial ... originating the low atrium ... PACs #premature #atrial ... #complexes #cardiology ... #diagnosis #ekg
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
increase in CVP ... block (2) VT (3) PAC ... UCSFIMChiefs #CannonA #AWaves ... PhysicalExam #Clinical #Video ... #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... dissociation + retrograde atrial ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
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 ... #PhysicalExam #JVP ... #Cardiology #Neck ... #Frog #Sign
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Atrial fibrillation ... - Atrial flutter ... myxoma, pulmonary ... Jugular #Waveforms #JVP ... #PhysicalExam #cardiology
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
by pulmonary HTN ... has Kussmaul's sign ... have elevated JVP ... PhysicalExam #Clinical #Video ... #Cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
for DDI and an atrial ... VivekKulkarniMD #CannonA #AWaves ... #PhysicalExam #JVP ... #Clinical #Video ... #Cardiology
Lancisi's Sign on Neck Examination in Severe Tricuspid Regurgitation

Semiology of severe tricuspid insufficiency : venous pulse
Lancisi's Sign on ... #Lancisis #Sign ... Regurgitation #Neck #JVP ... #Clinical #Video ... #PhysicalExam #Cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... 3 different P wave ... • Hypoxia • Pulmonary ... Tachycardia #MAT #Cardiology ... #EKG #Management
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
contraction of atria ... msocoMD #CanonA #Awaves ... #clinical #video ... #JVP #jugular # ... neck #cardiology