11 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... wave in the JV. ... #clinical #video ... #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 ... a waves! ... Cannon a waves indicate ... : 3rd deg AV block ... #Cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually ... , it indicates AV ... #AWaves #diagnosis ... #cardiology #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... rapid cannon a ... waves are enough ... #Awaves #AVNRT ... #Frog #Sign
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... ... regular cannon ... a waves in AVNRT ... EMdoc14 #CannonA #AWaves ... #Cardiology
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Algorithm Outward Wave ... Fusion of Lancisi Sign ... with Every Beat - Cannon ... 'A' Inward Wave ... #cardiology #physicalexam
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... indistinguishable from ... #EKG #diagnosis ... #differential #cardiology
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
but the P wave ... relationship with the R wave ... it is driven by a ... #ThirdDegree #3rd ... #ekg #ecg #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Irregular (1) A ... absent P (2) A ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
O - Obstructed AV ... look for 2nd or 3rd ... Mnemonic #Syncope #EKG ... #ECG #Diagnosis ... #Cardiology