22 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... (MAT) ≥ 3 different ... Atrial flutter ... differential #diagnosis #causes ... #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
) • P-waves. ... • AFib > AFIutter ... variable block >> MAT ... whether AF is cause ... #cardiology
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
Supraventricular Tachycardia ... great ECG case of ... wide or narrow complex ... distinguishing QRS from T wave ... #Cardiology #EKG
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Stable Narrow-Complex ... Possible atrial flutter ... Treat underlying cause ... or MAT - Control ... Treatment #management #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... block; and sinus tachycardia ... voltage Other Causes ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Saw-Tooth = Atrial Flutter ... through) QRS Complex ... bradycardia • J ... @AmyChung #EKG ... Electrocardiogram #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(MAT) - 3 ... different P waves ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... at different rates ... nadir of the S-wave ... nadir of the S-wave ... #ekg #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
nodal conduction Uses ... fibrillation and atrial flutter ... (at therapeutic ... or biphasic T waves ... #Cardiology #Digitalis
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Drive: • Sinus Tachycardia ... Incomplete or Complete ... • Dominant R Wave ... AcutePE #diagnosis #cardiology