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What is the PTH assay? If this is low, hypoparathyroidism ought to be considered the most likely diagnosis. If it is normal or increased, other causes of hypocalcemia should be investigated.
What is the ... DIAGNOSTIC WORKUP
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Is it focal or diffuse? Focal masses in the thyroid include thyroglossal cyst, toxic adenoma, colloid cyst, Riedel's struma, nontoxic adenoma, and malignancies.
Is there movement with protrusion of the tongue ... DIAGNOSTIC WORKUP
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Calcium is the most abundant mineral in the body, with 99% stored in bone. Calcium in the plasma is either protein-bound (mostly to albumin) or ionized and readily available for use. Decreased plasma Ca2... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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Hypocalcemia is defined as total calcium <7.5 mg/dL. Causes include inadequate inflow of calcium from the GI tract, bone, or kidney, or excessive loss of calcium into urine, stool, and bone. Calcium level is affected by pH: Systemic acidosis>... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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... The physiologic model of Intake, absorption, transport, regulation, and excretion lends itself well to developing a list of possible causes of hypocalcemia.
HYPOCALCEMIA
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... Chvostek's sign is an abnormal spasm of the facial muscles that's elicited by lightly tapping the patient's facial nerve near his lower jaw. (See Eliciting Chvostek's sign.) This sign usually suggests hypocalcemia, but can occur normally in about 25%... Emergency interventions ... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pictures
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... An enlarged thyroid can result from inflammation, physiologic changes, iodine deficiency, thyroid tumors, and drugs. Depending on the medical cause, hyperfunction or hypofunction may occur with resulting excess or deficiency, respectively, of the hormone thyroxine. If no infection... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers
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... Hypoalbuminemia*
Vitamin D–deficiency states
Sunlight deficiency
Dietary deficiency
Malabsorption (see 5-G)
Post gastrectomy
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... Hypoparathyroidism is a deficiency of parathyroid hormone (PTH) caused by disease, injury (usually surgical), or congenital malfunction of the parathyroid glands. Because the parathyroid glands primarily regulate calcium balance, hypoparathyroidism causes hypocalcemia,... Causes and incidence ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations ... Pictures
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... Chvostek’s sign is an abnormal spasm of the facial muscles that’s elicited by lightly tapping the patient’s facial nerve near his lower jaw. (See Eliciting Chvostek’s sign, page 180.) This sign usually suggests hypocalcemia but can occur normally in... Emergency interventions ... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures
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... An enlarged thyroid can result from inflammation, physiologic changes, iodine deficiency, and thyroid tumors. Depending on the medical cause, hyperfunction or hypofunction may occur with resulting excess or deficiency, respectively, of the hormone thyroxine.... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling
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... Stephen F. Wheeler and David E. Bybee
Goiter, an enlarged thyroid gland, is the most common thyroid abnormality. Goiter is termed endemic if it occurs in more than 10% of a population. Endemic goiter most commonly results from dietary... Approach ... History ... Physical examination ... Testing ... Diagnostic assessment
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... Differential Overview
Neck Mass
❑ Inflammatory lymphadenopathy
❑ Parotid swelling/tumor
❑ Laryngeal cancer ... Diagnostic Approach ... Clinical Findings
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... A deficiency of parathyroid hormone (PTH), hypoparathyroidism is caused by disease, injury, surgical removal, or congenital malfunction of the parathyroid glands. Because the parathyroid glands primarily regulate calcium balance, hypoparathyroidism causes hypocalcemia, producing... Causes ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations ... Pictures
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... Chvostek’s sign is an abnormal spasm of the facial muscles that’s elicited by lightly tapping the patient’s facial nerve near his lower jaw. (See Eliciting Chvostek’s sign.) This sign usually suggests hypocalcemia but can occur normally in about 25% of... Emergency Actions ... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures
... READ EXCERPTS »
... An enlarged thyroid can result from inflammation, physiologic changes, iodine deficiency, and thyroid tumors. Depending on the medical cause, hyperfunction or hypofunction may occur with resulting excess or deficiency, respectively, of the hormone thyroxine. If no... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures
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... Chvostek's sign is an abnormal spasm of the facial muscles that's elicited by lightly tapping the patient's facial nerve near his lower jaw. (See Eliciting Chvostek's sign, page 138.)
This sign usually suggests hypocalcemia, but can occur... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... Pictures
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... An enlarged thyroid can result from inflammation, physiologic changes, iodine deficiency, thyroid tumors, and drugs. Depending on the medical cause, hyperfunction or hypofunction may occur with resulting excess or deficiency, respectively, of the hormone thyroxine. If... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching
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The physiologic model of intake, absorption, transport,
regulation, and excretion lends itself well to developing a list of possible
causes of hypocalcemia.
Intake. Poor dietary intake of calcium is not often seen in ... Pictures
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... Adda Grimberg, MD Hypoparathyroidism - BASICS Hypoparathyroidism - description Hypoparathyroidism is decreased parathyroid hormone (PTH) effect. Hypoparathyroidism - epidemiology Many normal neonates can have... Hypoparathyroidism - DIAGNOSIS ... Hypoparathyroidism - TREATMENT ... Hypoparathyroidism - FOLLOW UP ... Hypoparathyroidism - bibliography ... Hypoparathyroidism - CODES ... Hypoparathyroidism - FAQ
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