10 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... reentry tachycardia (AVRT ... tachycardia ddx: AVNRT ... suggestive more of AVRT ... #AVR #leadAVR #ecg
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
- Orthodromic AVRT ... - Antidromic AVRT ... : wide complex because ... WolffParkinsonWhite #WPW #Cardiology ... #ECG #EKG #Electrocardiogram
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
AFlutter • AVNRT ... /AVRT - Bradyarrhythmia ... • 2nd/3rd degree ... #Cardiology #Differential ... Diagnosis #Algorithm #causes
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 ... case of a 50-year-old ... @EM_RESUS #AVRT ... #ECG #Electrocardiogram ... #Cardiology #EKG
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
(ISt/2nd /3rd degree ... Aflutter • AVNRT ... • AVRT (ie ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Converts - Probably AVnRT ... or AVRT - Observe ... Treat underlying cause ... #management #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
QRS often wide. ... • Block in AV ... to atropine if wide ... #electrocardiogram ... #ecg #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
maneuvers: SVT-AVNRT ... or AVRT • Standing ... bending over: AVNRT ... Red Flag Symptoms ... #Palpitations #Cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
brady, peak T, wide ... assoc with 1K, AV ... see below), 1st degree ... #diagnosis #cardiology ... #electrocardiogram
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
(electrocardiogram ... ) in cases of syncope ... evaluate potential causes ... such as first-degree ... #cardiology #differential