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
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Hallmark ECG features ... Tachycardia (VT) AV ... time; and WCT, wide ... Tachycardia #VTach #ECG ... #EKG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
usually (not always) wide ... bundle branch block ... is below the AV ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
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
First Degree AV Block
 • The P wave is normal in morphology.
 • PR interval greater
First Degree AV ... in duration or wide ... First #Degree #AVBlock ... #1st #ecg #ekg ... #cardiology #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
QRS often wide. ... • Block in AV ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... The QRS may be wide ... #Highgrade #AVBlock ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram