patientemergency roommedical personneloxygen maskgurneyNovant Healthhelicoptersurgical instrumentssurgical drapehospital corridormedical monitormedical carehospitalhealthcaresurgical proceduretransportmedical facilitysurgical lightsmedical stafftreatmentrescueserious conditionurgent caremedical technologycritical carenightindoor settingrecoveryoperation