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Practice Guidelines for Preoperative Fasting

Infographic by Dr. Jesse Burk-Rafel
@jbrafel

> 8 hours - Heavy foods (fried/fatty) and
Guidelines for Preoperative ... Guidelines for Preoperative ... Anesthesiology. ... #Preoperative # ... Fasting #Guidelines #Anesthesia
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... hyperthermia crisis (late sign ... #Perioperative ... #Differential #Causes ... #Anesthesiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk ... the patient’s perioperative ... Stress Testing: • Preoperative ... trials) • BUT, preoperative ... #perioperative
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
, e.g. central line ... tidal volume, low/no ... examination and vital signs ... Cardiac #Tamponade #Anesthesiology ... #Anesthesia #Intraoperative
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
patient’s underlying medical ... • Check ECG rhythm ... for no more than ... #Differential #Anesthesiology ... #Anesthesia #Intraoperative
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
Causes: thrombus ... Signs: hypotension ... Consider thrombolysis e.g ... and discontinue N2O ... Embolism #VTE #Anesthesiology
Local Anaesthetic Toxicity - Guidelines for Crises in Anaesthesia
Signs of severe toxicity:
 • Sudden alteration in
Signs of severe ... alteration in mental ... If no circulatory ... Anaesthetic #Toxicity #Anesthesiology ... #Anesthesia #Intraoperative
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
of more of the signs ... alternate vasopressor (e.g ... as patient is stable ... #Anaphylaxis #Anesthesiology ... #Anesthesia #Intraoperative
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
Symptoms and Signs ... common symptoms and signs ... , induction of anesthesia ... Management consists of preoperative ... • Preoperative