12 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... #ECG #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... is not desired (e.g ... , Some cases of ... Inotropes #comparison #table ... #pharmacology #criticalcare
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Cardiogenic Syncope - Bradyarrhythmias ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
• They must be able ... 85% of predicted value ... production to cause ... arrythmias Diagnostics: EKG ... Stress #Testing #cardiology
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
system including valves ... and positioning (e.g ... (eg steroid dependency ... #Hypotension #Differential ... Intraoperative #Checklist
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
values. 3. ... risk factors (eg ... hypertension (eg ... hypertension (eg ... #Differential #
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
should identify any cause ... system including valves ... blood gas, 12-lead ECG ... Airway #Pressure #Differential ... Intraoperative #Checklist
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
breathing system valves ... • Check ECG rhythm ... CardiacArrest #Checklist ... #Differential # ... Intraoperative #Checklist
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
is desirable, e.g ... obstruction - Able ... identify non-calculus causes ... MRI - Limited value ... for non-calculus causes
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
system including valves ... Consider known drug causes ... (eg. remifentanil ... Intraoperative #Checklist ... Management #Workup #Cardiology