11 results
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
of Cardiac Arrest ... / Hypokalemia, Hypothermia ... #Causes #differential ... #diagnosis #acls ... #checklist
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... acidosis), Hypo/Hyper-kalemia ... , Hypothermia Toxins ... #HsTs #Differential ... #Diagnosis #Table
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... #Differential # ... #Anesthesia #Checklist ... #Diagnosis #Management ... #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
hyperkalaemia Hypothermia ... CardiacArrest #Checklist ... #Differential # ... #Diagnosis #Management ... #Workup
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
where other causes ... agents, patent blue ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Malignant Hyperthermia Crisis - Guidelines for Crises in Anaesthesia
Unexplained increase in ETCO2 AND tachycardia AND increased
Malignant Hyperthermia ... dantrolene and cardiac arrest ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Lactic Acidosis - Differential ... Shock, Severe Anemia ... , Cardiac Arrest ... Exercise, Fever, Hypothermia ... Beta-Agonists, ↑ work
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Call for cardiac arrest ... calcium. ❽ Treat anaemia ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Neuroprotection following Cardiac Arrest - Guidelines for Crises in Anaesthesia
Outcome from cardiac arrest is determined by
Guidelines for Crises ... • Avoid hyperthermia ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
pulse or impending arrest ... -1); malignant hyperthermia ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup