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Cardiac arrhythmia
Any cardiac rhythm other than the normal sinus rhythm. Such a rhythm may be either of sinus or ectopic origin and either regular or irregular. An arrhythmia may be due to a disturbance in impulse formation or conduction or both. [from HPO]
Excessive shyness
Atypically high degree of awkwardness or apprehension experienced when approaching or being approached by others. [from HPO]
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