20 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Tachycardia (MAT ... 3 different P wave ... #differential # ... diagnosis #causes #cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
Complete heart block ... , sino-atrial (SA ... tachycardia with ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
hidden in the QRS complex ... ECG usually shows ... regular narrow complex ... tachycardia at ... Pathophysiology #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (MAT ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... through) QRS Complex ... bradycardia • J ... Electrocardiogram #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Stable Narrow-Complex ... Control rate with AV ... Control rate (e.g ... flutter or MAT ... Treatment #management #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... AFIutter) • P-waves ... variable block >> MAT ... abnormality • Beware AV ... Irregular #causes #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... (> 160ms) - AV ... at different rates ... nadir of the S-wave ... #ekg #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... (ventricular complex ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... • Narrow complex ... : AVNRT, AVRT, atrial ... #differential # ... cardiology