11 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on ... Electrocardiogram ... nodal conduction Uses ... fibrillation and atrial flutter ... #Electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Possible atrial flutter ... Treat underlying cause ... possible atrial flutter ... #Stable #NarrowComplex ... management #cardiology #algorithm
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial flutter ... tachycardia #NarrowComplex ... differential #diagnosis #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Tachycardia • Aflutter ... • AFib • AFIutter ... Differential #Diagnosis #Algorithm ... #causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... tachycardia • Atrial flutter ... tachycardia • Atrial flutter ... #Causes #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
(AVNRT, OAVRT, AFIutter ... Tachycardia: • AFib > AFIutter ... whether AF is cause ... /effect • Tx: ... Underlying cause
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (4) Vfib/flutter ... (2) Atrial flutter ... absent P (2) A flutter ... 200ms from longer pause ... EKG #diagnosis #electrocardiogram
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... VFib • AFib/AFlutter ... Differential #Diagnosis #Algorithm ... #causes
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform Interpretation ... atrial fibrillation/flutter ... “cannon waves” caused ... - ‘c’ wave (TV cusps ... CVP #Waveform #Interpretation
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... Saw-Tooth = Atrial Flutter ... AmyChung #EKG #Interpretation ... #ECG #Electrocardiogram