18 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... (4) SA node arrest ... - ventricular pacemaker ... #EKG #diagnosis ... electrocardiogram #cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
unusually slow ventricular ... Complete Heart Block ... Bidirectional Ventricular ... #Arrhythmias #diagnosis ... #cardiology #ecg
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... rhythm, Conduction blocks ... system: Conduction blocks ... Fibrillation (V-Fib ... #Causes #cardiology
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
- Differential Diagnosis ... w/ AV Block, Atrial ... Arrhythmia, Sinus Arrest ... SVT WI Wide QRS, Ventricular ... #Differential #Diagnosis
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
, ventricular extra ... , sino-atrial (SA ... Non-paroxysmal atrial ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... rate > Ventricular ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Syndrome • SA Block ... • AV Block (ISt ... interval) • AFib ... tachyarrhythmias #Cardiology
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
bundle branch block ... (< 5% pts with afibb ... propafenone with β-blocker ... #diagnosis #management ... #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... Waves/Fibrillary = afib ... Electrocardiogram #cardiology ... #diagnosis #system
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Diagnosis Summary ... • The largest ... #AVBlock #cardiology ... #ekg #ecg #diagnosis