| myxoedema heart | The enlarged heart associated with untreated severe hypothyroidism, often accompanied by pericardial effusion; rare in modern medicine. (05 Mar 2000) |
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| pituitary myxoedema | Myxoedema resulting from inadequate secretion of the thyrotropic hormone; commonly occurs in association with inadequate secretion of other anterior pituitary hormones. (05 Mar 2000) |
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| congenital myxoedema | Stunted body growth and mental development appearing in the first years of life resulting the inappropriate development of the thymus gland or inadequate maternal intake of iodine during gestation. (27 Sep 1997) |
| myxoedema | <endocrinology> A functional insufficiency of the thyroid gland, resulting in deficiency of thyroid hormone. A variety of severe physiological problems accompany the reduction in thyroid function and the clinical features are dry skin, coarse hair, intolerance to cold, cognitive impairment and slowing of the relaxation phase of deep tendon reflexes. Clinical features: dry, waxy type of swelling with abnormal deposits of mucin in the skin and other tissues. The skin becomes puffy around the eyes and on the cheeks and the face is dull and expressionless with thickened nose and lips. The congenital form of the disease is cretinism. Severe hypothyroidism usually as a result of autoimmunity to thyroglobulin. (20 Sep 2002) |
| myxoedema voice | <otolaryngology> The forced, rough, raucous voice of subjects of myxoedema, probably due to myxoedematous thickening of the vocal folds. (05 Mar 2000) |
| pretibial myxoedema | circumscribed myxoedema |
| infantile myxoedema | <paediatrics> Stunted body growth and mental development appearing in the first years of life resulting the inappropriate development of the thymus gland or inadequate maternal intake of iodine during gestation. (27 Sep 1997) |
| operative myxoedema | Myxoedema developing after thyroidectomy. (05 Mar 2000) |
| abnormal heart chamber dimensions | <radiology> Left ventricular volume overload, left ventricular hypertrophy, right ventricular volume overload, right ventricular hypertrophy, fixed subvalvular aortic stenosis, hypoplastic left/right ventricle; common ventricle, congestive cardiomyopathy (12 Dec 1998) |
| Abrams' heart reflex | A contraction of the myocardium when the skin of the precordial region is irritated. (05 Mar 2000) |
| american heart association | A voluntary organization concerned with the prevention and treatment of heart and vascular diseases. (12 Dec 1998) |
| apex of heart | The blunt extremity of the heart formed by the left ventricle. See: apex beat. Synonym: apex cordis, vertex cordis. (05 Mar 2000) |
| armored heart | Calcareous deposits in the pericardium due to subacute or chronic pericarditis. Synonym: panzerherz. (05 Mar 2000) |
| armor heart | Extensive to complete calcification (rarely ossification) of the pericardium usually producing constrictive pericarditis. (05 Mar 2000) |
| artificial heart | A mechanical pump used to replace the function of a damaged heart, either temporarily or as a permanent prosthesis. (05 Mar 2000) |
| artificial heart valve | <cardiology> A synthetic or porcine (pigskin) valve surgically placed into the heart to replace a defective or malfunctioning valve. The aortic and mitral valves are the most frequently replaced with artificial valves. (27 Sep 1997) |