There are two types of Cyanosis: Central Cyanosis and Peripheral Cyanosis, which appear in differing ways in adults and newborns. Central Cyanosis is caused by diseases of the heart, lungs, or by the presence of abnormal levels of hemoglobin types such as, methemoglobin and sulfhemoglobin. It is commonly seen as a bluish-purple discoloration of the tongue and lining of the mouth. In newborns, central cyanosis is seen in cases of severe problems dealing with breathing, airway, circulation, or heart …show more content…
First, the doctor will establish a detailed medical history where he or she will ask about when the blue coloration developed and if it appeared suddenly or deepened over time. The doctor will then ask if the lips, nail beds and tongue are blue or if it is blue all over. The doctor will also ask about the patient’s exposure to cold, sudden visit to a high altitude, any poisoning or any intake of drugs. Other symptoms the patient has experienced, their intensity, and duration is also asked about. Following the medical history, there will be a physical examination which includes: listening to the breathing sounds and heart sounds, and assessing the blood pressure and strength of their pulse. Following the physical exam, there is a respiratory examination which shows whether or not there is a poor chest expansion as is seen in asthma and chronic bronchitis. The final exam is a cardiovascular exam which shows abnormal heart sounds, such as murmurs, that may signifying heart