17 results
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... with caution in pulmonary ... Treat underlying cause ... Control rate (e.g ... Treat underlying cause
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... pathology (e.g. ... #Diagnosis #Table ... #Causes #Sodium
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... • Ventricular tachycardia ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... non-sinus → 2-7 Tachycardia ... (eg steroid dependency ... #Hypotension #Differential ... Anesthesiology #Anesthesia #Intraoperative
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Intraoperative Tachycardia ... Guidelines for Crises ... using reservoir bag ... obtain 12-lead ECG ... Anesthesiology #Anesthesia #Intraoperative
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
confirm reservoir bag ... blood gas, 12-lead ECG ... o Aspiration, pulmonary ... Airway #Pressure #Differential ... Anesthesiology #Anesthesia #Intraoperative
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... Valvular disease (e.g ... Pheochromocytoma • Pulmonary ... Palpitations #Cardiology #Differential
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... • Unexplained tachycardia ... alternate vasopressor (e.g ... as patient is stable ... Anesthesiology #Anesthesia #Intraoperative
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
The probable cause ... using reservoir bag ... • Check ECG rhythm ... CardiacArrest #Checklist #Differential ... Anesthesiology #Anesthesia #Intraoperative