33 results
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
T’s Mnemonic - Causes ... of Cardiac Arrest ... #Arrest #Causes ... #differential # ... diagnosis #acls #checklist
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
The reversible causes ... of Cardiac Arrest ... Tamponade (Cardiac ... #HsTs #acls #differential ... #management
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... prolonged PR and QT ... and diastolic arrest ... #EKG #ECG #Changes ... #Progression #Table
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
Cardiac Arrest - ... • Check ECG rhythm ... #Differential # ... #Diagnosis #Management ... #Workup
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
arrest trolley ... Plan definitive management ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
arrest trolley ... and 12-lead ECG ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
alternate vasopressor (e.g ... as patient is stable ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Checklist Approach ... changes (especially QT ... patients (including cardiac ... Critical Care #Checklist ... #Hypokalemia #Management
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
consider: o Cardiac ... #Hypotension #Differential ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Neuroprotection following Cardiac Arrest - Guidelines for Crises in Anaesthesia
Outcome from cardiac arrest is determined by
Obtain 12-lead ECG ... ❾ Plan further management ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup