Zusammenfassung der Ressource
Oxygen
Therapy
- Indications for O2
- decrease cardiac workload
- relieve symptoms of hypoxia (chronic/acute)
- decrease work of breathing (WOB)
- Complications of O2
- fire hazard
- supports combustion
- O2 toxicity (pt generally receive high FiO2 * >60%*
- Signs
- N/V
- Tachypena
- chest pain/tightness
- Refractory hypoxemia- 100% Os & still hypoxic- cannot be fixed
- decrease in surfactant
- decreased compliance (expansion)
- pulmonary edema
- ROP- Retinopathy of Prematurity- causes blindness in premis
- O2 induced hypoventilation- pt who lives on hypoxic drive (COPD)
- signs
- decraesd RR $ VT
- high PaO2, high PCO2, low pH
- pt lethargic, sleepy, confused
- Signs of hypoxia
- Tachycardia *primary sign*
- pulmonary vasoconstricton- shunting
- peripheral vasodilation- pt is warm to touch