12 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... /flutter - DANGER ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Flutter (AFL), ... Fibrillation (V-Fib ... Differential #Diagnosis #Causes ... #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... flutterAV ... tachycardia • AV ... flutter with variable ... #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... interval) • AFib ... with Variable AV ... tachyarrhythmias #Cardiology ... #causes
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV ... nodal conduction Uses ... and atrial flutter ... #Cardiology #Digitalis
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... flutter, ectopic ... flutter or MAT ... Treatment #management #cardiology ... #algorithm
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... • AFib/AFlutter ... 2nd/3rd degree AV ... Syndrome #Syncope #Cardiology ... #causes
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... Waves/Fibrillary = afib ... Flutter PR Interval ... Electrocardiogram #cardiology
Ventricular Fibrillation on POCUS - Apical 4 Chamber View

A 50-year-old woman with a history of cardiac
with preserved atrial ... #VFib #Ventricular ... Fibrillation #POCUS #echocardiogram ... #cardiology #clinical ... #a4c #AV #Dissociation
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... fibrillation/flutter ... /Afib/WPW) • Loss ... #Palpitations #Cardiology