15 results
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
Causes: thrombus ... : hypotension, tachycardia ... Consider thrombolysis e.g ... Anesthesiology #Anesthesia ... Diagnosis #Management #Workup
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... Control rate (e.g ... #Stable #NarrowComplex ... management #cardiology #algorithm
Non-ACS Myocardial Injury - Elevated Troponin Differential Diagnosis and Workup Algorithm

 • Chronic Myocardial Injury: End
Diagnosis and Workup ... Algorithm • ... (ie acidosis), Tachycardia-induced ... Process (ie Spasm or Embolism ... Occlusion • Stable
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
• Ventricular tachycardia ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table ... #Causes
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 Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Guidelines for Crises ... obtain 12-lead ECG ... ); circulatory embolus ... Anesthesiology #Anesthesia ... Diagnosis #Management #Workup
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
If circulation unstable ... blood gas, 12-lead ECG ... o Circulatory embolus ... Airway #Pressure #Differential ... Diagnosis #Management #Workup
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
• Unexplained tachycardia ... alternate vasopressor (e.g ... as patient is stable ... Anesthesiology #Anesthesia ... Diagnosis #Management #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
• Check ECG rhythm ... Anaphylaxis (→ 3-1) Embolism ... CardiacArrest #Checklist #Differential ... Anesthesiology #Anesthesia ... Diagnosis #Management #Workup
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... risk factors (eg ... hypertension (eg ... hypertension (eg ... #causes #Differential