X-ray Soft Tissue Neck

Anatomy: Retropharyngeal space: Extends from the base of the skull down to the level of the carina, and is located between the buccopharyngeal mucosa and the prevertebral fascia. Prevertebral space: A potential space that is located between the anterior aspect of the vertebral body and the prevertebral fascia. It… Read More

Edema – Physical Examination

Synonyms: Oedema Definition of Edema Accumulation of excessive amount of fluid in the extravascular interstitial space of the body. Interstitial space is the extravascular compartment of the extracellular fluid and surrounds the cells of a given tissue. Anasarca is a severe and generalized edema with profound… Read More

Cyanosis – Physical Examination

Synonyms: Blue disease Definition of Cyanosis Bluish discoloration of the skin and mucous membrane resulting from an increased concentration of reduced hemoglobin/deoxyhemoglobin (>5 gm/dl) or abnormal hemoglobin derivatives (eg. methemoglobin, sulfhemoglobin, etc.) in the capillary blood perfusing the area. Normally, cyanosis is evident when the Oxygen… Read More