17 results
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... disease or CHF) ... Treat underlying cause ... Control rate (e.g ... disease or CHF)
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
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
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
blood gas, 12-lead ECG ... o Aspiration, pulmonary ... Airway #Pressure #Differential ... #Anesthesiology ... #Anesthesia #Intraoperative
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic Causes ... Diagnosis Pulmonary ... decompensated CHF ... Neuromuscular disease (eg ... Metabolic acidosis (eg
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... alternate vasopressor (e.g ... as patient is stable ... #Anaphylaxis #Anesthesiology ... #Anesthesia #Intraoperative
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Intraoperative ... Consider known drug causes ... (eg. remifentanil ... #Bradycardia #Anesthesiology ... #Anesthesia #Intraoperative
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Intraoperative Tachycardia ... Guidelines for Crises ... obtain 12-lead ECG ... #Tachycardia #Anesthesiology ... #Anesthesia #Intraoperative
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
using reservoir bag ... • Check ECG rhythm ... CardiacArrest #Checklist #Differential ... #Anesthesiology ... #Anesthesia #Intraoperative
Intraoperative Laryngospasm and Stridor - Guidelines for Crises in Anaesthesia

❶ Call for help and inform theatre
Intraoperative Laryngospasm ... obstructing the airway, e.g ... Consider other causes ... negative-pressure pulmonary ... Laryngospasm #Stridor #Anesthesiology