cardiasthenia

orthostatic intolerance

A condition (OMIM:604715) characterised by lightheadedness, fatigue, altered mentation, syncope and tachycardia upon assuming an upright position, and markedly elevated serum norepinephrine.
Molecular pathology
Defects in SLC6A2, which encodes a member of the sodium:neurotransmitter symporter that regulates norepinephrine homeostasis, are a cause of orthostatic intolerance.

cardiasthenia

(kăr″dē-ăs-thē′nē-ă) [″ + astheneia, weakness] An obsolete term for a somatization disorder with prominent cardiac symptoms.

单词	cardiasthenia
释义	cardiasthenia orthostatic intolerance A condition (OMIM:604715) characterised by lightheadedness, fatigue, altered mentation, syncope and tachycardia upon assuming an upright position, and markedly elevated serum norepinephrine. Molecular pathology Defects in SLC6A2, which encodes a member of the sodium:neurotransmitter symporter that regulates norepinephrine homeostasis, are a cause of orthostatic intolerance. cardiasthenia (kăr″dē-ăs-thē′nē-ă) [″ + astheneia, weakness] An obsolete term for a somatization disorder with prominent cardiac symptoms.
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