12 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... tachycardia (AVRT ... tachycardia (AVNRT ... #Diagnosis #Causes ... #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - Once the PAC ... - In most case ... ECG usually shows ... #cardiology #SVT
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • SA Block • AV ... with Variable AV ... #Differential # ... Diagnosis #Algorithm #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Control rate with AV ... Treat underlying cause ... Treat underlying cause ... Treatment #management #cardiology
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Non-lschemic Causes ... Hypertrophic Cardiomyopathy ... Fibrillation AV ... Cardiogenic #Shock #Differential ... #Diagnosis #Cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... • ST vs SVT (AVNRT ... abnormality • Beware AV ... #Differential # ... #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... 300 = NSVT EKG ... (PVC-induced cardiomyopathy ... #diagnosis #differential ... #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... : • Cardiomyopathy ... • Hypertrophic cardiomyopathy ... palpitations: PVC ... #Differential #
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... • AV block ... • Ventricular tachycardia ... • Hypertrophic cardiomyopathy ... #Syncope #Differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(1) Sinus tachycardia ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential