20 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
ECG Basics - Atrial Rhythms #Cardiology #MedStudent #EKG #Atrial #SVT #Comparison #Table #AFib #AFlutter #MAT #WAP
ECG Basics - Atrial ... Rhythms #Cardiology ... #MedStudent #EKG ... #Atrial #SVT #Comparison ... #Table #AFib #AFlutter
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
tachycardia • Narrow ... AV block, Multifocal ... , Atrial flutter ... with variable AV ... Differential #Diagnosis #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Syndrome • SA Block ... • AV Block (ISt ... WPW) - Narrow ... interval) • AFib ... tachyarrhythmias #Cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
OAVRT, AFIutter) ... block >> MAT ... abnormality • Beware AV ... nodal blockers ... Irregular #causes #cardiology
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
and Management Narrow ... w/ AV Block, Atrial ... Tachy w/ AV Block ... AV Block, Mobitz ... II AV Block Wide
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
rhythm, Conduction blocks ... system: Conduction blocks ... Flutter (AFL), ... Fibrillation (V-Fib ... Diagnosis #Causes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex ... Control rate with AV ... Control rate (e.g ... Control rate (e.g ... #management #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... • Block in AV ... summary #Diagnosis #EKG ... electrocardiogram #ecg ... #cardiology