Diseases » Blue baby

Cyanosis*

Cyanosis*: Excerpt from A Pocket Manual of Differential Diagnosis

Central Cyanosis

Arterial desaturation
   Decreased inspired oxygen tension
   Pulmonary disease
       Alveolar hypoventilation
       Ventilation-perfusion mismatch
       Impaired oxygen diffusion
   Anatomic (right-to-left) shunt
       Congenital heart disease
       Pulmonary arteriovenous fistulas
       Other intrapulmonary shunts
Hemoglobin abnormalities
   Methemoglobinemia
   Sulfhemoglobinemia
   Hemoglobin with low affinity for oxygen (e.g., hemoglobin Kansas)
Pseudocyanosis
   Polycythemia vera
   Argyria
   Hemochromatosis

Peripheral Cyanosis

Reduced cardiac output
Cold exposure (including Raynaud's phenomenon)
Arterial obstruction
Venous stasis and/or obstruction

References

1. Braunwald E: Cyanosis, Hypoxia, and Polycythemia, pp. 205–210. See Bibliography, 3.
2. Guenter CA: Respiratory Function of the Lungs and Blood, 179–180. See Bibliography, 7.

*Indicates ≥5 gm of unsaturated hemoglobin or ≥1.5 gm of methemoglobin present.

Book Source Details

• Book Title: A Pocket Manual of Differential Diagnosis
• Author(s): Stephen N. Adler, Dianne B. Gasbarra
• Year of Publication: 1999
• Copyright Details: A Pocket Manual of Differential Diagnosis, Copyright © 1999 Lippincott Williams & Wilkins.

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More About This Book: Title: A Pocket Manual of Differential Diagnosis Authors: Stephen N. Adler, Dianne B. Gasbarra Publisher: Lippincott Williams & Wilkins Copyright: 1999 ISBN: 0-78171-943-7

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