32 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
- Pathophysiology ... Node, Atrium, AV ... Nodal Reentry Tachycardia ... #Pathophysiology ... SVT #diagnosis #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Atrial flutter • AV ... nodal reentrant ... AV reentrant tachycardia ... #Causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... : AV re-entrant ... ), AV nodal re-entrant ... Differential #Diagnosis #Causes ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate with AV ... nodal blocking ... Treat underlying cause ... #cardiology #algorithm
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Non-lschemic Causes ... , Ventricular Tachycardia ... Fibrillation AV ... #Nonlschemic #Causes ... Differential #Diagnosis #Cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
) - Pathophysiology ... - Dual AV nodal ... - Normal conduction ... - In most case ... #cardiology #SVT
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... WPW) - Avoid AV ... nodal agents (e.g ... #Treatment #management ... #cardiology #algorithm
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... , Wide-Complex Tachycardia ... AV Dissociation: ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... Escape Rhythm Abnormal ... with Variable AV ... tachyarrhythmias #Cardiology ... #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
whether AF is cause ... Tx: Underlying cause ... abnormality • Beware AV ... nodal blockers ... #cardiology