15 results
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Regular Rhythm - ... AFIutter + variable block ... whether AF is cause ... Irregular Rhythm ... Beware AV nodal blockers
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... Differential #Diagnosis #Algorithm ... #causes
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
rhythm ... Narrow & irregular ... rhythm ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Rhythm: • Attempt ... Treat underlying cause ... Irregular Rhythm ... Treat underlying cause ... management #cardiology #algorithm
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus rhythm ... • In sinus rhythm ... intervals are regular ... ecg #diagnosis #electrocardiogram ... #classification
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER Narrow - Regular ... node Narrow - Irregular ... arrest - escape rhythms ... 200ms from longer pause ... EKG #diagnosis #electrocardiogram
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
tachycardia or uncertain rhythm ... give adenosine Irregular ... diltiazem or B-blockers ... narrow-complex irregular ... management #cardiology #algorithm
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
of conduction block ... waves • Pseudo-STEMI ... Sinoventricular rhythm ... • "Sine wave" rhythm ... Hyperkalemia #EKG #ECG #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
1) Rate - Regular ... Count-Off - Irregular ... in 10s x 6 2) Rhythm ... ectopic atrial rhythm ... Interpretation #ECG #Electrocardiogram
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Heart Rate and Rhythm ... rhythms: PSVT or ... • Rapid and irregular ... rhythms: Paroxysmal ... with variable block