33 results
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
, e.g., due to arrhythmias ... (ruling out differential ... further guide management ... and an initial ECG ... In many cases, syncope
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
- Syncope Syndromes ... Wong @mchlwng #Syncope ... #Syndromes #ECG ... #EKG #Checklist ... electrocardiogram #differential
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table ... #Causes
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... #Anesthesia #Checklist ... #Workup
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... (eg steroid dependency ... 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
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
IV Mg infusion (e.g ... Hypermagnesemia #Differential ... High #Magnesium #Table ... #Causes #Management
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
blood gas, 12-lead ECG ... Airway #Pressure #Differential ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... #Diagnosis #Management ... #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
• Check ECG rhythm ... 10) Acidosis Anaphylaxis ... #Differential # ... #Diagnosis #Management ... #Workup