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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 ... DIAGNOSTIC WORKUP
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Is there a petechial rash? The presence of a petechial rash suggests either a thrombocytopenic purpura, which may be idiopathic or secondary to leukemia, aplastic anemia, collagen disease, or ... 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
... Workup and Diagnosis ... Treatment
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Because the differential diagnosis of purpura is very large, begin by determining whether the purpura is palpable or nonpalpable. Subsequent workup is dictated by the history, physical, and review of systems to... Differential Diagnosis ... 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.,... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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Purpura represents leakage of blood from vessels into skin/mucous membranes; thus, it is nonblanching on pressure; petechiae are <3 mm, ecchymosis >3 mm in diameter. Idiopathic thrombocytopenic purpura >... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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By far the most common causes of cyanosis in the newborn are respiratory (pneumonia, newborn respiratory distress syndrome [NRDS], meconium aspiration, etc.). Babies with respiratory... 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
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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... Emergency interventions ... History and physical examination ... Medical causes ... Special considerations
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... A papular rash consists of small, raised, circumscribed — and perhaps discolored (red to purple) — lesions known as papules. It may erupt anywhere on the body in various configurations... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Pictures
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... Purpura is the extravasation of red blood cells from the blood vessels into the skin, subcutaneous tissue, or mucous membranes. It’s characterized by discoloration that’s easily visible through... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Pictures
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... Central Cyanosis
Arterial desaturation
Decreased inspired oxygen tension
Pulmonary
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... Platelet Disorders
Thrombocytopenia
Drugs, especially
Cytotoxic agents
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... Allergic purpura, a nonthrombocytopenic purpura, is an acute or chronic vascular inflammation affecting the skin, joints, and GI and genitourinary (GU) tracts, in association with... Causes and incidence ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations ... Pictures
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... Idiopathic thrombocytopenic purpura (ITP), thrombocytopenia that results from immunologic platelet destruction, may be acute (postviral thrombocytopenia) or chronic (Werlhof’s disease,... Causes and incidence ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations
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Cyanosis
(Professional Guide to Signs & Symptoms (Fifth Edition))
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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... Emergency interventions ... History and physical examination ... Medical causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling
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... A papular rash consists of small, raised, circumscribed—and perhaps discolored (red to purple)—lesions known as papules. It may erupt anywhere on the body in various configurations and may be acute or... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures
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Purpura
(Professional Guide to Signs & Symptoms (Fifth Edition))
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... Purpura is the extravasation of red blood cells from the blood vessels into the skin, subcutaneous tissue, or mucous membranes. It’s characterized by discoloration that’s easily visible through the... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Pictures
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... Purple striae—thin, purple streaks on the skin—characteristically occur in hypercortisolism along with other cushingoid signs, such as a buffalo hump and moon face. Although hypercortisolism can be caused by... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers
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Cyanosis
(The 10-Minute Diagnosis Manual: Symptoms and Signs in the Time-Limited Encounter)
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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... Approach ... History ... Physical examination ... Testing ... Diagnostic assessment
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Petechiae and Purpura
(The 10-Minute Diagnosis Manual: Symptoms and Signs in the Time-Limited Encounter)
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... John L. Smith
Purpura are the visible extravasation of blood into the skin or mucous membranes. Petechiae are purpura less than 2 mm in diameter and ecchymoses are greater than 1 cm... Approach ... History ... Physical examination ... Testing ... Diagnostic assessment (4)
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... Differential Overview
❑ Asthma
❑ Chronic obstructive pulmonary disease
❑ Raynaud phenomenon
❑ Hypoventilation ... Diagnostic Approach ... Clinical Findings ... Pictures
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... Differential Overview
Purpura
❑Trauma
❑Senile purpura
❑Drugs
❑Vasculitis ... Diagnostic Approach ... Clinical Findings ... Pictures
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... Allergic purpura, or anaphylactoid purpura, is a type of nonthrombocytopenic purpura. It’s characterized by allergy symptoms and acute or chronic vascular inflammation affecting the skin, joints, or GI or genitourinary ... Causes ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations
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... Idiopathic thrombocytopenic purpura (ITP), thrombocytopenia that results from immunologic platelet destruction, may be acute (postviral thrombocytopenia) or chronic (Werlhof’s disease, purpura hemorrhagica, essential... Causes ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations
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Cyanosis
(Alarming Signs and Symptoms: Lippincott Manual of Nursing Practice Series)
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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... 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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... A papular rash consists of small, raised, circumscribed — and perhaps discolored (red to purple) — lesions known as papules. It may erupt anywhere on the body in various configurations and may be acute or... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures
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Purpura
(Signs & Symptoms: A 2-in-1 Reference for Nurses)
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... Purpura is the extravasation of red blood cells from the blood vessels into the skin, subcutaneous tissue, or mucous membranes. It’s characterized by discoloration that’s easily... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures
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Cyanosis
(The Diagnostic Approach to Symptoms and Signs in Pediatrics)
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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... Principal Causes of Cyanosis ... Clinical Features and Diagnosis ... Diagnostic Approach ... References
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...Purpura are macular discolorations that donot blanch or disappear with pressure. They include petechiae (<3mm in diameter) and ecchymoses (larger lesions). Principal Causes of> ... 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... History and physical examination ... Medical causes ... Nursing considerations ... Patient teaching
... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)
... A papular rash consists of small, raised, circumscribed—and perhaps discolored (red to purple)—lesions known as papules. It may erupt anywhere on the body in various configurations and may be acute or chronic.... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... Pictures
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... Purpura is the extravasation of red blood cells from the blood vessels into the skin, subcutaneous tissue, or mucous membranes. It's characterized by discoloration that's easily... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... Pictures
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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... Pictures
... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)
