Cyanosis

Synonyms: Blue disease Definition¬†of Cyanosis Cyanosis is the bluish discoloration of the skin, mucous membrane and nail bed usually owing to atleast 5 gm/dl of reduced hemoglobin/deoxyhemoglobin¬†or abnormal hemoglobin derivatives (eg. methemoglobin, sulfhemoglobin, etc.) in the capillary blood perfusing the area. Normally, cyanosis is evident… Read More

Icterus

Synonyms: Jaundice Definition of Icterus Icterus is the yellowish discoloration of skin and mucous membrane and body fluids (CSF, joint fluid, cysts) evident as a result of hyperbilirubinemia with subsequent deposition of bile pigments in tissue which is rich in elastin. The Greeks claimed the… Read More

Pallor

Synonyms: Paleness Definition of Pallor Pallor is the paleness of skin and mucous membranes, due to the reduced amount of oxyhemoglobin or decreased peripheral perfusion. Sites to look for pallor Lower palpebral conjunctiva Tip and dorsum of the tongue Soft palate Nail beds Palmar or… Read More