CIANOSIS CENTRAL Y PERIFERICA PDF

Cyanosis is the bluish or purplish discoloration of the skin or mucous membranes due to the tissues near the skin surface having low oxygen saturation. Also, the bluer the color, the more difficult it is to detect on deeply pigmented skin. When signs of cyanosis first appear, such as on the lips or fingers , intervention should be made within 3—5 minutes because a severe hypoxia or severe circulatory failure may have induced the cyanosis. The name cyanosis literally means the blue disease or the blue condition.

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Cyanosis is the bluish or purplish discoloration of the skin or mucous membranes due to the tissues near the skin surface having low oxygen saturation.

Also, the bluer the color, the more difficult it is to detect on deeply pigmented skin. When signs of cyanosis first appear, such as on the lips or fingers , intervention should be made within 3—5 minutes because a severe hypoxia or severe circulatory failure may have induced the cyanosis. The name cyanosis literally means the blue disease or the blue condition. Cyanosis is defined as a bluish discoloration, especially of the skin and mucous membranes, due to excessive concentration of deoxyhemoglobin in the blood caused by deoxygenation.

Cyanosis is divided into two main types: central around the core, lips, and tongue and peripheral only the extremities or fingers. Central cyanosis is often due to a circulatory or ventilatory problem that leads to poor blood oxygenation in the lungs.

Acute cyanosis can be as a result of asphyxiation or choking, and is one of the definite signs that respiration is being blocked. Central nervous system impairing normal ventilation :. Cardiovascular diseases :. Peripheral cyanosis is the blue tint in fingers or extremities, due to an inadequate or obstructed circulation. The blood reaching the extremities is not oxygen-rich and when viewed through the skin a combination of factors can lead to the appearance of a blue color.

All factors contributing to central cyanosis can also cause peripheral symptoms to appear but peripheral cyanosis can be observed in the absence of heart or lung failures. Small blood vessels may be restricted and can be treated by increasing the normal oxygenation level of the blood. Differential cyanosis is the bluish coloration of the lower but not the upper extremity and the head.

This is seen in patients with a patent ductus arteriosus. Patients with a large ductus develop progressive pulmonary vascular disease, and pressure overload of the right ventricle occurs. As soon as pulmonary pressure exceeds aortic pressure, shunt reversal right-to-left shunt occurs.

The upper extremity remains pink because the brachiocephalic trunk, left common carotid trunk and the left subclavian trunk is given off proximal to the PDA. From Wikipedia, the free encyclopedia. Medical diagnosis. For the band, see Cyanotic band. This article contains instructions, advice, or how-to content. The purpose of Wikipedia is to present facts, not to train. Please help improve this article either by rewriting the how-to content or by moving it to Wikiversity , Wikibooks or Wikivoyage.

May NCBI Bookshelf. Retrieved Can Med Assoc J Aug;13 8 Deoxyhaemoglobin concentrations in the detection of central cyanosis. Thorax Mar;43 3 — Mosby-Year Book 4th ed. Fauci; et al. Harrison's manual of medicine 17th ed. ICD - 10 : R Symptoms and signs : skin and subcutaneous tissue R20—R23 , Peripheral edema Anasarca.

Aldrich-Mees' lines Beau's lines Muehrcke's lines Terry's nails. Symptoms and signs relating to the respiratory system R04—R07 , Medical examination and history taking. Agonal respiration Biot's respiration Cheyne—Stokes respiration Kussmaul breathing Ataxic respiration. Inspection Auscultation Palpation Percussion. Temperature Heart rate Blood pressure Respiratory rate.

Respiratory sounds Cyanosis Clubbing. Precordial examination Peripheral vascular examination Heart sounds Other Jugular venous pressure Abdominojugular test Carotid bruit Ankle-brachial pressure index. Liver span Rectal Murphy's sign Bowel sounds. Murphy's punch sign. Mental state Mini—mental state examination Cranial nerve examination Upper limb neurological examination. Apgar score Ballard Maturational Assessment.

Well-woman examination Vaginal examination Breast examination Cervical motion tenderness. Medical diagnosis Differential diagnosis. Categories : Medical signs Symptoms and signs: Skin and subcutaneous tissue.

Hidden categories: Articles with short description Articles needing cleanup from May All pages needing cleanup Articles containing how-to sections. Namespaces Article Talk. Views Read Edit View history. Contribute Help Community portal Recent changes Upload file. In other projects Wikimedia Commons. By using this site, you agree to the Terms of Use and Privacy Policy. Cyanosis of the hand of a patient with low oxygen saturations.

Pulmonology , cardiology. Digestive Liver span Rectal Murphy's sign Bowel sounds.

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CIANOSIS CENTRAL Y PERIFERICA PDF

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