Carbon Monoxide

Question 1

Carbon Monoxide

Pathology:

Answer 1

Binds Hb, myoglobin, cytochrome, ect→ stops oxidative phosphorylation

Question 2

Carbon Monoxide

CO-Hb t1/2:

Answer 2

Room air- 5 hours,
100% O2- 1.5 hours,
Hyperbaric oxygen-0.5 hours
Fetus at higher risk

Question 3

Carbon Monoxide

Signs and Symptoms:

Answer 3

Altered mental status, coma, seizure, abnormal vitals, acidosis, n/v, HA, myalgia

Question 4

Carbon Monoxide

ASAP:

Answer 4

ABCs, IV, O2, monitor, VS (pulse ox is not accurate), EKG

Question 5

Carbon Monoxide

Hx:

Answer 5

smoke inhalation, HA, DOE, N/V, dizzy/AMS/coma if severe, SAMPLE

Question 6

Carbon Monoxide

Exam:

Answer 6

lethargy, sz, ↑HR, ↑RR, confusion, red lips or cyanosis

Question 7

Carbon Monoxide

Labs:

Answer 7

ABG, CBC, BUN/Cr, lytes, gluc, CK/MB/Trop, UA, hCG

Question 8

Carbon Monoxide

Tx:

Answer 8

100% O2 NRB til sx resolve

Question 9

Carbon Monoxide

HBOT if…

Answer 9

CO > 25% (pregnant > 15%) AMS, FND, Sz, Resp failure, Infants, CN tox, pH < 7.2, Cardiac ischemia or arrhythmia