Pulse oximetry may be helpful in the diagnosis of the type of cyanosis. Finding suggestive of central cyanosis includes low oxygen saturation.
Cyanosis other diagnostic studies
Cyanosis echocardiography or ultrasound
Cyanosis risk factors
Methemoglobinemia other diagnostic studies
Cyanosis diagnostic study of choice
Cyanosis causes
Cyanosis physical examination
Cyanosis other imaging findings