13 results
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 ... : EKG ($), ECHO
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 ... #table #pharmacology ... #criticalcare
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 ... Intraoperative #Checklist ... #Diagnosis #Management
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
- Differential Diagnosis ... Vascular → PE, PAH ... findings based on cause ... #table #comparison ... #criticalcare
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 ... Intraoperative #Checklist ... #Diagnosis #Management
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 ... #Diagnosis #Management
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
tachycardia or bradycardia ... alternate vasopressor (e.g ... as patient is stable ... Intraoperative #Checklist ... #Diagnosis #Management
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
breathing system valves ... • Check ECG rhythm ... CardiacArrest #Checklist ... Intraoperative #Checklist ... #Diagnosis #Management
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... heparinized tube) • ECG ... only if no clear cause ... Elimination (see Table ... line, stabilizes cardiac
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
system including valves ... obtain 12-lead ECG ... hypovolaemia; primary cardiac ... Intraoperative #Checklist ... #Diagnosis #Management