Hypoxia
PED-13
Diagnosis
↓ SpO2
Increase O2 to 100%
Confirm presence of EtCO2, look for any changes in capnogram
Hand-ventilate to assess compliance
Listen to breath sounds
Consider DOPE: displacement, obstruction, pneumothorax, equipment failure
Check:
- ETT tube position and patency. Correct if mainstem or supraglottic, suction to r/o mucous plug, secretions, or kink
- Consider circuit integrity: kink in circuit or ETT, bronchspasm, obstruction, mucous plug
- Pulse oximeter: try new probe or changing placement
- Check BP and HR
- Consider recruitment maneuvers
- Consider deepening anesthetic or muscle relaxant if patient-ventilator asynchrony
Further assessment: Draw blood gas. Perform bronchoscopy, CXR, TEE, ECG
Consider DDx
Crisis Management (If Severe)
Notify surgeon, call for help and code cart
Call for Transesophageal Echocardiography
Start chest compressions
Give epinephrine 10 MICROgrams/kg IV/IO
If cardiac arrest, go to CARDIAC ARREST
Consider ECMO
Differential (Partial)
YES, Airway Cause IS Suspected
- Lungs
- BRONCHOSPASM
- Atelectasis
- Aspiration
- TENSION PNEUMOTHORAX
- Pulmonary Edema
- ETT
- Mainstem intubation
- Mucous Plug
- ETT kinked or dislodged
- Machine
- Ventilator settings: RR, TV, I:E ratio, auto-PEEP
- Machine malfunction
NO, Airway Cause IS NOT Suspected
- Drugs/Allergy
- Recent drugs given
- Allergy/ANAPHYLAXIS/dose error
- Methylene blue/dyes or methemoglobinemia
- Circulation
- Embolism – AIR EMBOLISM, fat, CO2, pulmonary, septic, MI, CHF, CARDIAC TAMPONADE
- Severe sepsis
- HYPOTENSION
- Right to left intracardiac or intrapulmonary shunt