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Is there a history of drug ingestion? Potassium chlorate, sulfanilamide, and coal tar products are only a few of the drugs that may cause methemoglobinemia and sulfhemoglobinemia.
Is the cyanosis ... DIAGNOSTIC WORKUP
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Cyanosis is a bluish discoloration of the skin or mucous membranes that is caused by significantly decreased oxygenation of the blood. It may be generalized or confined to the periphery.
Differential Diagnosis
Central... Workup and Diagnosis ... Treatment
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Cyanosis is due to arterial hypoxemia and may not easily be seen during physical exam. Examine soft tissue with high blood flow, such as the gums or tongue, for cyanosis. Cyanosis elsewhere (e.g., fingertips or lips) may be due to reduced blood flow. If... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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... The causes of cyanosis may be quickly recalled by applying the basic science of physiology. Cyanosis is due to decreased oxygenation of the blood. The decrease, however, cannot be mild; there must be at least 5 g of reduced hemoglobin per
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... Cyanosis — a bluish or bluish black discoloration of the skin and mucous membranes — results from excessive concentration of unoxygenated hemoglobin in the blood. This common sign may develop abruptly or gradually. It can be classified as... Emergency interventions ... History and physical examination ... Medical causes ... Special considerations
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... Central Cyanosis
Arterial desaturation
Decreased inspired oxygen tension
Pulmonary disease
Alveolar hypoventilation
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... A bluish or bluish black discoloration of the skin and mucous membranes, cyanosis results from excessive concentration of unoxygenated hemoglobin in the blood. This common sign may develop abruptly or gradually. It can be classified as central or... Emergency interventions ... History and physical examination ... Medical causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling
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... Janis F. Neuman
Cyanosis is a bluish discoloration of the skin and mucous membranes caused by increased amounts of unsaturated hemoglobin in the blood. For cyanosis to appear, 5 g/100 ml of reduced blood hemoglobin is... Approach ... History ... Physical examination ... Testing ... Diagnostic assessment
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... Differential Overview
❑ Asthma
❑ Chronic obstructive pulmonary disease
❑ Raynaud phenomenon
❑ Hypoventilation
❑... Diagnostic Approach ... Clinical Findings ... Pictures
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... Cyanosis — a bluish or bluish black discoloration of the skin and mucous membranes — results from excessive concentration of unoxygenated hemoglobin in the blood. This common sign may develop abruptly or gradually. It can be classified as central... Assessment ... History ... Physical examination ... Pediatric pointers ... Geriatric pointers ... Medical causes ... Nursing considerations ... Patient teaching
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... Cyanosis — a bluish or bluish black discoloration of the skin and mucous membranes — results from excessive concentration of unoxygenated hemoglobin in the blood. This common sign may develop abruptly or gradually. It can be... Emergency Actions ... History ... Physical assessment ... Medical causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures
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... Definedas bluish discoloration of tissues caused by excessive concentrationof reduced Hgb in capillary blood. Bluish color of fingers and toes occurswith peripheral cyanosis, whereas bluish color of skin, lips, andmucous membranes occurs... Principal Causes of Cyanosis ... Clinical Features and Diagnosis ... Diagnostic Approach ... References
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... Cyanosis—a bluish or bluish black discoloration of the skin and mucous membranes—results from excessive concentration of unoxygenated hemoglobin in the blood. This common sign may develop abruptly or gradually. It can be classified as central... History and physical examination ... Medical causes ... Nursing considerations ... Patient teaching
... READ EXCERPTS »
...
The causes of cyanosis may be quickly recalled by applying the basic
science of physiology. Cyanosis is due to decreased oxygenation
of the blood. The decrease, however, cannot be mild; there must be at least
5 g of reduced... Pictures
... READ EXCERPTS »
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