32 results
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
, Wide-Complex Tachycardia ... AV Dissociation: ... evidence of AV dissociation ... Interpretation #ECG ... #Diagnosis #Cardiology
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
- ECG Definition ... and Causes • ... WCT #diagnosis #cardiology ... #definition #differential ... #causes
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves • Caused ... Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... AWaves #diagnosis #cardiology
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Pressure Waveforms - Differential ... fibrillation, sinus tachycardia ... Atrioventricular dissociation ... , ventricular tachycardia ... #PhysicalExam #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
waves indicate AV dissociation ... block, or, as this case ... and an atrial tachycardia ... Clinical #Video #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... SVT - Wide Tachycardias ... 160ms) - AV dissociation ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... Treat underlying cause ... Treat underlying cause ... #Treatment #management ... #cardiology #algorithm
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (1) Sinus tachycardia ... 200ms from longer pause ... electrocardiogram #cardiology ... #differential
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
amphetamines) Toxic: • Radiologic ... brain injury By Association ... #Hyperthermia #Differential ... Checklist #Diagnosis #Management ... #Workup
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
non-sinus → 2-7 Tachycardia ... ) By Association ... #Hypotension #Differential ... Checklist #Diagnosis #Management ... #Workup