13 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 ... WolffParkinsonWhite #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 ... tachycardia (SVT) in wide ... #AVR #leadAVR #ecg ... #electrocardiogram ... #differential #cardiology
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
bpm) • Sinus Bradycardia ... Aflutter • AVNRT ... • AVRT (ie ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Bradyarrhythmias • Sinus bradycardia ... • Sinus pauses ... • AV block ... - Medication side ... Classification #Table #Causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... or AVRT • Standing ... Red Flag Symptoms ... consciousness • Near-syncope ... #Palpitations #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... can function) Wide ... #electrocardiogram ... #cardiology #differential
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
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... nodal conduction Uses ... mustache) - Flag ... #EKG #Cardiology ... #Digitalis #ECG
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... brady, peak T, wide ... assoc with 1K, AV ... #diagnosis #cardiology ... #electrocardiogram