19 results
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
- Orthodromic AVRT ... - Antidromic AVRT ... : wide complex because ... WPW #Cardiology #ECG ... #EKG #Electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... #AVR #leadAVR #ecg ... #electrocardiogram ... #diagnosis #ekg
Supraventricular Tachycardia EKG

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

Her heart
Here’s a great ECG ... @EM_RESUS #AVRT ... #Tachycardia #EKG ... #ECG #Electrocardiogram ... #Cardiology #EKG
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... Digoxin effect on ECG ... mustache) - Flag ... #EKG #Cardiology ... #Digitalis #ECG
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... or AVRT - Observe ... Control rate (e.g ... Control rate (e.g ... #management #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... QRS often wide. ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
200ms from longer pause ... can function) Wide ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Algorithm ECG ... injury, etc) ECG ... prolonged PR, wide ... , bradycardia, AV ... #Algorithm #Management
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Valvular disease (e.g ... maneuvers: SVT-AVNRT ... or AVRT • Standing ... Red Flag Symptoms
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... Wide-Complex Tachycardia ... WPW) - Avoid AV ... nodal agents (e.g ... #management #cardiology