29 results
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
The reversible causes ... of Cardiac Arrest ... Pneumothorax, Thrombosis (Pulmonary ... #differential #diagnosis ... #arrest #management
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
of Cardiac Arrest ... - Hypovolemia, Hypoxia ... Thromboembolism (Pulmonary ... #diagnosis #acls ... #checklist
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Intracranial blood • Hypoxic ... #Differential #Causes ... #Checklist #Diagnosis ... #Management #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
4 H’s, 4 T’s: Hypoxia ... CardiacArrest #Checklist ... Anesthesiology #Anesthesia ... #Diagnosis #Management ... #Workup
Local Anaesthetic Toxicity - Guidelines for Crises in Anaesthesia
Signs of severe toxicity:
 • Sudden alteration in
Guidelines for Crises ... Anesthesiology #Anesthesia ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
Call for cardiac arrest ... Anesthesiology #Anesthesia ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Can’t Intubate, Can’t Oxygenate (CICO) - Guidelines for Crises in Anaesthesia
This is the last resort when
optimal airway management ... and then cardiac arrest ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Unexpected cardiac arrest ... where other causes ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
Breathing - exclude hypoxia ... alfentanil can be diagnostic ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Bronchospasm - Guidelines for Crises in Anaesthesia

❶ Call for help and inform theatre team of
Consider alternate diagnoses ... consider → 2-2 Hypoxia ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup