46 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
tachycardia • Atria ... : Premature Atrial ... Flutter (AFL), Atrial ... re-entrant tachycardia (AVRT ... re-entrant tachycardia (AVNRT
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... or AVRT - Observe ... Control rate (e.g ... Control rate (e.g ... management #cardiology #algorithm
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
A waves during AVNRT ... Physical Exam In AVNRT ... , the atria and ... EKG of the same ... minute=rate of AVNRT
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
substrate for AVNRT ... - Premature atrial ... pathway back up to atrium ... depolarizes the atria ... ECG usually shows
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 ... electrocardiogram #diagnosis #ekg
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... • Premature atrial ... Aflutter • AVNRT ... • AVRT (ie ... Differential #Diagnosis #Algorithm
Junctional Rhythms - Junctional rhythm describes an abnormal heart rhythm resulting from impulses coming from a
coming from a locus ... junction" between atria ... Cardiology #MedStudent #EKG
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... QRS interval on EKG ... WPW #Cardiology #ECG ... #EKG #Electrocardiogram
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
deflection not AVRT ... /AVNRT. ... • Atrial Flutter ... #wide #narrow #algorithm
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... origin within the atria ... (e.g. ectopic atrial ... • Saw-Tooth = Atrial ... @AmyChung #EKG