13 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
- Pathophysiology ... Node, Bundle of His ... #SVT #diagnosis ... #cardiology #conduction ... #pathways #avnrt
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ddx: AVNRT, AVRT ... tachycardia (SVT ... #AVR #leadAVR #ecg ... #differential #cardiology
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... TCA-like overdose - AVRT ... narrow complex tachycardias ... from SVT with aberrancy ... #Diagnosis #Cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
bradycardia, Sick Sinus Syndrome ... Type 1 2°) • His-purkinje ... tachycardia (AVRT ... tachycardia (AVNRT ... Diagnosis #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Sick Sinus Syndrome ... • Sinus Tachycardia ... Aflutter • AVNRT ... • AVRT (ie ... tachyarrhythmias #Cardiology
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
great ECG case of ... probably because it has ... @EM_RESUS #AVRT ... #Tachycardia #EKG ... #Cardiology #EKG
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... deflection not AVRT ... /AVNRT. ... MAT. 3 types of Ps ... Diagnosis #Management #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... (AVNRT) - Pathophysiology ... ECG usually shows ... #AVNRT #Pathophysiology ... #cardiology #SVT
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... & termination: SVT ... vagal maneuvers: SVT-AVNRT ... or AVRT • Standing ... #Palpitations #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... w/ BBB (3) SVT ... flutter (3) SVTs ... (2) Sick Sinus Syndrome ... electrocardiogram #cardiology