12 results
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
for Crises in Anaesthesia ... system including valves ... consider: o Cardiac ... Differential #Anesthesiology ... #Anesthesia #Intraoperative
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
abnormalities (hypo- or hypertension ... CM5 continuous ECG ... Obtain a 12-lead ECG ... the patient is hypotensive ... #Ischaemia #Anesthesiology
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
• Unexpected cardiac ... alternate vasopressor (e.g ... as patient is stable ... #Anaphylaxis #Anesthesiology ... #Anesthesia #Intraoperative
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
system including valves ... obtain 12-lead ECG ... hypovolaemia; primary cardiac ... #Tachycardia #Anesthesiology ... #Anesthesia #Intraoperative
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
Cardiac Arrest - ... • Call for cardiac ... breathing system valves ... • Check ECG rhythm ... #Differential #Anesthesiology
Intraoperative Sepsis - Guidelines for Crises in Anaesthesia

Severe sepsis (hypotension persisting after initial fluid challenge of
Severe sepsis (hypotension ... likely underlying cause ... Consider monitoring cardiac ... #Sepsis #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 ... unexplained loss of cardiac ... Embolism #VTE #Anesthesiology ... #Anesthesia #Intraoperative
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... 85% of predicted value ... production to cause ... Bradycardia & hypotension
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
→ tension PTX, cardiac ... Vascular → PE, PAH ... findings based on cause ... Differential #Diagnosis #table ... #comparison #criticalcare
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... Bradyarrhythmias, Some cases ... Vasopressors #Inotropes #comparison ... #table #pharmacology ... #criticalcare