20 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 ... @EM_RESUS #AVRT ... #ECG #Electrocardiogram ... #Clinical
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • Sick Sinus Syndrome ... Aflutter • AVNRT ... • AVRT (ie ... Diagnosis #Algorithm #causes
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
A waves during AVNRT ... Physical Exam In AVNRT ... as Typical AVNRT ... excludes other differentials ... that’s called “clinical
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
Wolff-Parkinson-White Syndrome ... Delta wave) 2 Wide ... WPW #Cardiology #ECG ... #EKG #Electrocardiogram ... #Clinical #Diagnosis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... maneuvers: SVT-AVNRT ... or AVRT • Standing ... bending over: AVNRT
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Sick Sinus Syndrome ... 200ms from longer pause ... #electrocardiogram ... #cardiology #differential
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
carotid sinus syndrome ... syncope (ruling out differential ... and an initial ECG ... should be guided by clinical ... The treatment strategy
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... Treatment depends ... maintained fever CAUSES ... • Serotonin syndrome ... #Hyperthermia #Differential