22 results
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 ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology
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 ... #JVP #jugular # ... neck #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
AV dissociation ... : 3rd deg AV block ... for DDI and an atrial ... #JVP #Clinical ... #Video #Cardiology
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Hallmark ECG features ... Tachycardia (VT) AV ... block; RWPT, R wave ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms = AV ... (e.g. ectopic atrial ... #ECG #Electrocardiogram ... #cardiology #diagnosis
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 ... Hussainch #Cannon #Awaves ... #PhysicalExam #JVP ... #Cardiology #Neck
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
complex (PAC) - ECG ... #complexes #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... #clinical
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
• Inverted P waves ... maybe mistaken as AV ... Customary to call AV ... #diagnosis #ekg ... #ecg #electrocardiogram
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wave Inversion ... threatening T wave ... Serial EKGS in pts ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... intervals until a P wave ... completely absent, P waves ... dissociation and ... #ecg #ekg #diagnosis