Abstract：
:We performed spectral analysis on the QRS complex of the electrocardiogram obtained using standard limb leads, sampled at 500 Hz with 12 bit precision in 20 normal subjects and 15 patients with panic disorder. We divided the frequency range of the QRS into two bands based on spectral patterns before and after the postural challenge-mid frequency (MF): 7.8-20 Hz; and high frequency (HF): 21-250 Hz. Postural change from supine to standing produced a significant increase in absolute (P = 0.003) and relative HF power (P = 0.00001). Patients with panic disorder had a significantly decreased QRS HF power (P = 0.003). The increase in QRS HF power may have been due to the shortening of the QRS interval in standing posture. The decreased QRS HF power in patients with panic disorder should be further investigated due to the recent reports of an association of phobic anxiety and fatal coronary heart disease, and the possible association of decreased high frequency components of QRS in myocardial infarction.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Yeragani VK,Berger R,Songer DA,Yeragani Sdoi
10.1016/s0165-1781(96)02998-8subject
Has Abstractpub_date
1997-02-07 00:00:00pages
167-74issue
2-3eissn
0165-1781issn
1872-7123pii
S0165-1781(96)02998-8journal_volume
66pub_type
杂志文章abstract：:Depressed mood is prevalent among individuals with schizophrenia, leading to difficulties in functioning. Typically, depressed mood is evaluated using retrospective assessments during which individuals are asked to recall their mood during the past week or month. However, as individuals with schizophrenia may display ...
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pub_type： 杂志文章
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journal_title：Psychiatry research
pub_type： 杂志文章
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