16 results
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
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Bradyarrhythmias • Sinus bradycardia ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table
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
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Intraoperative ... using reservoir bag ... Consider known drug causes ... (eg. remifentanil ... Anesthesiology #Anesthesia #Intraoperative
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... is not desired (e.g ... effects: Reflex bradycardia ... Inotropes #comparison #table ... #pharmacology #criticalcare
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
using reservoir bag ... and positioning (e.g ... (eg steroid dependency ... #Hypotension #Differential ... 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
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... tachycardia or bradycardia ... alternate vasopressor (e.g ... as patient is stable ... 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
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