12 results
Ventricular Fibrillation
• Completely disorganized 
• Immediate cessation of cardiac output, no associated pulse 
• No discernible
Ventricular Fibrillation ... • Completely disorganized ... #Fibrillation # ... VFib #Diagnosis #Cardiology ... #Tachycardia
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Irregular: • Atrial fibrillation ... • Monomorphic ventricular ... • Polymorphic ventricular ... fibrillation ... Algorithm #Causes #cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
unusually slow ventricular ... with Complete Heart ... Bidirectional Ventricular ... Tachycardia - ... Arrhythmias #diagnosis #cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Framework Narrow-Complex ... Irregular: Atrial Fibrillation ... block) Regular-Complex ... : • Ventricular ... Differential #Diagnosis #cardiology
Acute and long-term complications of acute STEMI
Acute and long-term complications of acute myocardial infarction are summarized
Ventricular tachycardia ... fibrillation may ... tachycardia and ... ventricular fibrillation ... #Diagnosis #Cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
mul­tiform), and ventricular ... Complete heart block ... fibrillation may ... Non-paroxysmal atrial tachycardia ... #Diagnosis #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Complexes (PVC's ... • Retrograde capture ... tachycardia • ... arrhythmia • Atrial fibrillation ... #differential #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... VT: - No RS complexes ... different rates) - Capture ... - a sinus and ventricular ... Versus #ecg #ekg #cardiology
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
• QRS complexes ... >120 ms • Heart ... Ventricular origin ... • Capture and ... AIVR #diagnosis #cardiology
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... Irregular wide-complex ... tachycardia: bundle ... disease, left ventricular ... diagnosis #management #cardiology