12 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
(MAT) ≥ 3 different ... Atrial flutter ... retrograde) - AVNRT ... differential #diagnosis #causes ... #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... /AVNRT. ... waves, is MAT ... SarahFoohey #Tachycardia ... Diagnosis #Management #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
• ST vs SVT (AVNRT ... ) • P-waves. ... variable block >> MAT ... /effect • Tx: ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Converts - Probably AVnRT ... Possible atrial flutter ... or MAT - Control ... Treatment #management #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 ... Is it wide or narrow ... @EM_RESUS #AVRT ... #Cardiology #EKG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
aVR • Classic EKG ... elevation in aVR in narrow ... • Narrow complex ... criteria only looks at ... #differential #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
simultaneously at ... EKG of the same ... to diagnose the case ... differentials of narrow ... #JVP #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
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 ... on ECG (at therapeutic ... or biphasic T waves ... #Cardiology #Digitalis
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- In most case ... ECG usually shows ... : regular narrow ... at rates of 120 ... #cardiology #SVT