13 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... w/ BBB (3) SVT ... abberancy - N B Afib ... SVTs - atrial/junctional ... electrocardiogram #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
SVT. 140-280 ... • Atrial Flutter ... • AFib. ... • DDx: SVT + ... Diagnosis #Management #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... WPW) - Narrow ... interval) • AFib ... with Variable AV ... tachyarrhythmias #Cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
tricuspid valve • Atrioventricular ... , it indicates AV ... activation from SVT ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
OAVRT, AFIutter) ... • P-waves. ... > AFIutter + variable ... abnormality • Beware AV ... Irregular #causes #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
) Irregular Narrow ... 3 different P wave ... Atrial flutter ... "PSVT" (atrioventricular ... diagnosis #causes #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... flutter (rate control ... : - Scooping ST ... or biphasic T waves ... #Cardiology #Digitalis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... Atrioventricular ... supraventricular tachycardia (SVT ... #differential #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... /Fibrillary = afib ... Flutter PR Interval ... Electrocardiogram #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Atrioventricular ... independently of the atria ... and the rate is set ... #heartblock #cardiology ... #ecg #ekg #diagnosis