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The effect of body posture on heart rate response to valsalva maneuver.

The effect of body posture (standing, sitting, supine and squatting) on heart rate to valsalva maneuver in male healthy subjects.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT2016040111236N7
Enrollment
15
Registered
2016-11-15
Start date
2016-12-10
Completion date
Unknown
Last updated
2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy subjects.

Interventions

Intervention 1: Supine position. Intervention 2: Sitting position. Intervention 3: Squatting position. Intervention 4: Standing position.
Behavior
Supine position
Squatting position
Standing position

Sponsors

Deputy for Research, Mazandaran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
19 Years to 24 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: male; age between 19-24 years old. Exclusion criteria: chronic disease (i.e. diabetes mellitus, hypertension, epilepsy and etc); smoker; under regular medication.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Mean of RR interval. Timepoint: Five minutes during of supine or other position. Method of measurement: Time domain analysis of ECG.;Standard deviation of RR interval. Timepoint: Five minutes during of supine or other position. Method of measurement: Time domain analysis of ECG.

Secondary

MeasureTime frame
High frequency power spectrum. Timepoint: Five minutes during of supine or other position. Method of measurement: Frequency domain analysis of ECG.;Low frequency power spectrum. Timepoint: Five minutes during of supine or other position. Method of measurement: Frequency domain analysis of ECG.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactEsmaeil Akbari

Department of Physiology, School of Medicine, Mazandaran University of Medical Sciences, Sari

Akbari_esmaeil@mazums.ac.ir; Akbari_esmaeil@yahoo.com+98 11 4422 1919

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026