16 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
60 (1) Sinus bradycardia ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Guidelines for Crises ... system including valves ... Consider known drug causes ... (eg. remifentanil ... Diagnosis #Management #Workup
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 ... Diagnosis #Management #Workup
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Bradyarrhythmias • Sinus bradycardia ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table
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 ... #Pressure #Differential ... Diagnosis #Management #Workup
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 ... Contraindications: - Bradycardia ... arrythmias Diagnostics: EKG
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 ... effects: Reflex bradycardia ... Inotropes #comparison #table ... #pharmacology #
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 ... #causes #Differential
Muscarinic Receptor Agonists and Antagonists 
Muscarinic Receptor Agonists
Methacholine
 • Diagnosis of bronchial airway
Carbachol
 • Glaucorna (topical
Diagnosis of bronchial airway ... Acute symptomatic bradycardia ... (e.g., AV block ... #Medications #Pharmacology ... #Table
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
breathing system valves ... • Check ECG rhythm ... POTENTIAL CAUSES ... CardiacArrest #Checklist #Differential ... Diagnosis #Management #Workup