What are the physical findings characteristic of long QT syndrome (LQTS)?

Updated: Nov 29, 2017
  • Author: Ali A Sovari, MD, FACP, FACC; Chief Editor: Mikhael F El-Chami, MD  more...
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Answer

Findings on physical examination usually do not indicate a diagnosis of long QT syndrome (LQTS), although some patients may present with excessive bradycardia for their age, and some patients may have hearing loss (congenital deafness), indicating the possibility of Jervell and Lang-Nielsen (JLN) syndrome.

Skeletal abnormalities, such as short stature and scoliosis are seen in LQT7 (Andersen syndrome), and congenital heart diseases, cognitive and behavioral problems, musculoskeletal diseases, and immune dysfunction may be seen in those with LQT8 (Timothy syndrome).

Also perform the physical examination to exclude other potential reasons for arrhythmic and syncopal events in otherwise healthy people (eg, heart murmurs caused by hypertrophic cardiomyopathy, valvular defects)


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