22 results
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
(e.g. eclampsia ... Hypermagnesemia #Differential ... #Diagnosis #High ... #Magnesium #Table ... #Causes #Management
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... sine wave (QRS-T fusion ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... alternate vasopressor (e.g ... as patient is stable ... #Checklist #Diagnosis ... #Management #Workup
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
of blood, pus, effusion ... tube ❹ Rapid diagnosis ... • Diagnostic ... Anesthesiology #Anesthesia #Intraoperative ... #Management #Workup
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... #Diagnosis #Causes ... #Screening #Workup ... #table
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
rate, rhythm, perfusion ... #Hypotension #Differential ... Anesthesiology #Anesthesia #Intraoperative ... #Checklist #Diagnosis ... #Management #Workup
Intraoperative Massive Blood Loss - Guidelines for Crises in Anaesthesia
Expected or unexpected major haemorrhage

❶ Call for
Intraoperative Massive ... . ❼ Use rapid infusion ... , coagulation, etc ... #Checklist #Diagnosis ... #Management #Workup
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
blood gas, 12-lead ECG ... Airway #Pressure #Differential ... Anesthesiology #Anesthesia #Intraoperative ... #Checklist #Diagnosis ... #Management #Workup
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Intraoperative ... Consider known drug causes ... , digoxin etc) ... #Checklist #Diagnosis ... #Management #Workup
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... Diagnosis Approach ... with previously stable ... #causes #Differential