peripheral cyanosis


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Related to peripheral cyanosis: clubbing, xanthelasma

cyanosis

 [si″ah-no´sis]
a bluish discoloration of the skin and mucous membranes due to excessive concentration of reduced hemoglobin in the blood. adj., adj cyanot´ic.
central cyanosis that due to arterial unsaturation, the aortic blood carrying reduced hemoglobin.
enterogenous cyanosis a syndrome due to absorption of nitrites and sulfides from the intestine, principally marked by methemoglobinemia and/or sulfhemoglobinemia associated with cyanosis, and accompanied by severe enteritis, abdominal pain, constipation or diarrhea, headache, dyspnea, dizziness, syncope, anemia, and, occasionally, digital clubbing and indicanuria.
peripheral cyanosis that due to an excessive amount of reduced hemoglobin in the venous blood as a result of extensive oxygen extraction at the capillary level.

peripheral cyanosis

A bluish discoloration of the digits.

Patient care

The patient's vital signs, oxygen saturation, blood gases, and mental status should be monitored closely.

See also: cyanosis

cyanosis

a bluish discoloration of the skin and mucous membranes due to excessive concentration of reduced hemoglobin in the blood. Used wrongly by clinicians describing skin lesions in pigs where there is severe congestion of cutaneous vessels and some leakage of blood into perivascular tissues.

central cyanosis
that due to arterial unsaturation, the aortic blood carrying reduced hemoglobin.
enterogenous cyanosis
a syndrome due to absorption of nitrites and sulfides from the intestine, principally marked by methemoglobinemia and/or sulfhemoglobinemia associated with cyanosis.
peripheral cyanosis
that due to an excessive amount of reduced hemoglobin in the venous blood as a result of extensive oxygen extraction at the capillary level.
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