The question asks what is expected during the Valsalva. This would be increased HR. What you cited and posted even says that it’s after the release of strain that leads to the decreased HR. So during Valsalva, increased HR.
The question asks what is expected during the Valsalva. This would be increased HR. What you cited and posted even says that it’s after the release of strain that leads to the decreased HR. So during Valsalva, increased HR.