22 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Tachycardia (FAT ... Tachycardia (MAT ... (AVRT), AV nodal ... (AVNRT) • Ventricles ... Diagnosis #Causes #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Tachycardia (MAT ... 3 different P wave ... "PSVT" (atrioventricular ... retrograde) - AVNRT ... diagnosis #causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... , atrial tachycardia ... tachycardia (SVT ... criteria only looks at ... #differential #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - Premature atrial ... ECG usually shows ... at rates of 120 ... #cardiology #SVT
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... /AVNRT. ... • Atrial Flutter ... SarahFoohey #Tachycardia ... Diagnosis #Management #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... tachycardia (MAT ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
(AVNRT, OAVRT, AFIutter ... ) • P-waves. ... variable block >> MAT ... abnormality • Beware AV ... Irregular #causes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Control rate with AV ... Control rate (e.g ... flutter or MAT ... Treatment #management #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
dual-chamber PPM set ... for DDI and an atrial ... tachycardia much ... than the PPM’s max ... Clinical #Video #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... (> 160ms) - AV ... #Comparison #VentricularTachycardia ... #Versus #ecg #ekg ... #cardiology #diagnosis