peripheral cyanosis

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Related to peripheral cyanosis: clubbing, xanthelasma


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
References in periodicals archive ?
The peripheral cyanosis you've noticed may be due to a condition called Raynaud's phenomenon, which causes spasms, constriction, and narrowing of the tiny blood vessels in the fingers and toes.
What possible causes for peripheral cyanosis exist once pulmonary and cardiac reasons have been excluded?
BP 96/60, HR 62, RR 12, weight 70 kg, height 155 cm, Sa[O.sub.2] 74 % with an FIO2 of 21 %, central and peripheral cyanosis, Mallampati 3, pansystolic murmur IV/VI, predominantly in the lung; FHR 142; upper limbs with clubbing of fingers.
Peripheral cyanosis occurs where circulation has slowed and/or there is increased extraction of oxygen from Hb.
Examination revealed distant breath sounds, abdominal distention, peripheral cyanosis, and trace pedal edema; no lymphadenopathy, rash, or jaundice was noted.
On examination GCS was E1V1M1 along with central and peripheral cyanosis. A heart rate of 86/min and a blood pressure of 122/72 mmHg was recorded.

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