18 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 ... • 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
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... usually (not always) wide ... block is below the AV ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
QRS often wide. ... to atropine if wide ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
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
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... or 1 small box wide ... #Ischemia #ECG ... #EKG #diagnosis ... #cardiology #STEMI
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
brady, peak T, wide ... see below), 1st degree ... #Syndromes #ECG ... #EKG #Checklist ... #electrocardiogram
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
A 12 lead EKG creates ... a 360 degree view ... #EKG #diagram #Electrocardiogram ... #STEMI #Localization ... EmergencyMedicine #Cardiology
First Degree AV Block
 • The P wave is normal in morphology.
 • PR interval greater
First Degree AV ... in duration or wide ... AVBlock #1st #ecg ... #ekg #cardiology ... #electrocardiogram