21 results
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
Causes: thrombus ... unexplained loss of cardiac ... management Box C: ... #Checklist #Diagnosis ... #Management #Workup
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
Resistance Bradycardia ... (inadequate cardiac ... • AV blocks ... • Pulmonary embolism ... #diagnosis #causes
High Central Neuraxial Block - Guidelines for Crises in Anaesthesia
• Can occur with deliberate or accidental
Consider other causes ... including (Box C) ... • Embolism. ... #Checklist #Diagnosis ... #Management #Workup
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Intraoperative Cardiac ... hypertension, tachy- or bradycardia ... trinitrate (GTN) (Box C) ... #Checklist #Diagnosis ... #Management #Workup
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
effects of neuraxial block ... vasopressor (Box C) ... #Hypotension #Differential ... #Checklist #Diagnosis ... #Management #Workup
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... • Pulmonary Embolism ... /3rd degree AV Block ... #causes
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... tachycardia or bradycardia ... Anesthesiology #Anesthesia #Intraoperative ... #Checklist #Diagnosis ... #Management #Workup
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Intraoperative ... underlying problem (Box C) ... Consider known drug causes ... #Checklist #Diagnosis ... #Management #Workup
Local Anaesthetic Toxicity - Guidelines for Crises in Anaesthesia
Signs of severe toxicity:
 • Sudden alteration in
collapse: sinus bradycardia ... , conduction blocks ... problem. ❸ Call for cardiac ... #Checklist #Diagnosis ... #Management #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
See Boxes B and C ... Anaphylaxis (→ 3-1) Embolism ... #Differential # ... Anesthesiology #Anesthesia #Intraoperative ... #Management #Workup