10 results
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
Pneumothorax, Cardiac ... Tamponade, Pulmonary ... low CO later), Anaphylaxis ... , Medications (anesthesia ... • HYPOVOLEMIC: Hemorrhage
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Intravascular volume): • Hemorrhage ... tamponade, Vascular ... Sepsis. neurogenic, anaphylaxis ... release syndrome, infusion
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Consider IL NS/LR infusion ... telemetry, 12-Lead EKG ... dilated IVC - Cardiac ... pericarditis, Pericardial Tamponade ... Cardiac surgery?
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
Cardiac Tamponade ... of blood, pus, effusion ... #Cardiac #Tamponade ... Anesthesiology #Anesthesia ... Intraoperative #Checklist
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
rate, rhythm, perfusion ... ischaemia → 3-12 o Anaphylaxis ... tamponade → 3-9 ... Anesthesiology #Anesthesia ... Intraoperative #Checklist
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... • Unexpected cardiac ... alternate vasopressor (e.g ... Anesthesiology #Anesthesia ... Intraoperative #Checklist
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
• Check ECG rhythm ... Hypothermia Tamponade ... 10) Acidosis Anaphylaxis ... CardiacArrest #Checklist ... Intraoperative #Checklist
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
rate, rhythm, perfusion ... obtain 12-lead ECG ... hypovolaemia; primary cardiac ... amniotic (→ 3-5); anaphylaxis ... Intraoperative #Checklist
Intraoperative Hypoxia / Desaturation / Cyanosis - Guidelines for Crises in Anaesthesia
Using these steps from start
blood gas, 12-lead ECG ... Bronchospasm → 3-4 o Anaphylaxis ... ) → 3-12 o Cardiac ... tamponade → 3-9 ... Intraoperative #Checklist
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
by excretion (e.g ... hypoxemia/Sepsis etc ... / hypoxemia -> focus ... - Cardiac arrest ... failure - Low cardiac