13 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... tachycardia ddx: AVNRT ... tachycardia (SVT) in wide ... #AVR #leadAVR #ecg ... #electrocardiogram
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
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 ... Is it wide or narrow ... @EM_RESUS #AVRT ... #ECG #Electrocardiogram
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 ... Treat underlying cause
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... - Decreases AV ... nodal conduction Uses ... Digoxin effect on ECG ... mustache) - Flag
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... evaluating for other causes ... in relation to ECG ... Changes • STE in aVR ... #EKG #Pulmonary
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
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... Tachyarrhythmias - HR > 100 Wide ... 200ms from longer pause ... can function) Wide ... #electrocardiogram
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Pheochromocytoma • Pulmonary ... maneuvers: SVT-AVNRT ... or AVRT • Standing ... bending over: AVNRT
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on ECG Mid ... leads (II, III, AVF ... seen in 34% of cases ... #Embolism #ECG ... #EKG #Electrocardiogram