Valsalva maneuver during defecation affects heart rate and blood pressure

the verdict

SUPPORTEDCOMMON KNOWLEDGE

the evidence backs this

Recorded sources

1 source for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Valsalva maneuver during defecation affects heart rate and blood pressure?

Yes. The claim that the Valsalva maneuver affects heart rate and blood pressure is a well-established physiological fact and common knowledge, frequently utilized in clinical autonomic testing.

Verdict: SUPPORTED · Common knowledge · 1 source for, 0 against · Last checked 6 Aug 2026

The analysis

The claim is a direct physiological observation regarding the physiological mechanics of the Valsalva maneuver, which intrinsically alters intrathoracic pressure, venous return, heart rate, and blood pressure. Paper [0] directly supports this by analyzing beat-to-beat blood pressure and heart rate responses to the maneuver. Therefore, the verdict is common knowledge while still incorporating the supporting paper.

Evidence for · 1

Beat-to-Beat Blood Pressure and Heart Rate Responses to the Valsalva Maneuver

2017

Get citation

Goldstein, D. & Cheshire, W. (2017). Beat-to-Beat Blood Pressure and Heart Rate Responses to the Valsalva Maneuver. doi.org. https://doi.org/10.1007/s10286-017-0474-y

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Receipt History

first checked06 Aug 2026

judged → COMMON KNOWLEDGE · 6306 Aug 2026

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