16 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
the atria and ventricles ... simultaneously at regular ... EKG of the same ... #AVNRT #PhysicalExam ... #JVP #Cardiology
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
AVNRT on Neck Physical ... ... regular cannon ... a waves in AVNRT ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
3 different P wave ... A regular rhythm ... retrograde) - AVNRT ... , AVRT, Junctional ... diagnosis #causes #cardiology
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Jugular Waveform ... - due to atrial ... #Waves #Jugular ... Waveforms #JVP #PhysicalExam ... #cardiology
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... - Atrial flutter ... tamponade #Abnormal #Jugular ... Differential #Diagnosis #PhysicalExam ... #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
: Use P waves. ... deflection not AVRT ... /AVNRT. ... • Atrial Flutter ... Diagnosis #Management #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- Premature atrial ... depolarizes the atria ... ECG usually shows ... : regular narrow ... Pathophysiology #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex Tachycardia Regular ... Converts - Probably AVnRT ... Control rate (e.g ... Control rate (e.g ... Treatment #management #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
1) Rate - Regular ... (e.g. ectopic atrial ... • Saw-Tooth = Atrial ... @AmyChung #EKG ... Electrocardiogram #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... aVR • Classic EKG ... tachycardia ddx: AVNRT ... , AVRT, atrial tachycardia ... #differential #cardiology