Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2026 Feb 27;19(2):e271474.
doi: 10.1136/bcr-2025-271474.

Dynamic detection of pulsus alternans using pulse oximetry: rate-dependent and Valsalva-induced changes

Takuya Nishizawa  1 , Takeshi Ueda  2
Affiliations

Dynamic detection of pulsus alternans using pulse oximetry: rate-dependent and Valsalva-induced changes

Takuya Nishizawa et al. BMJ Case Rep. .
No abstract available

Keywords: Heart failure; Primary Care.

PubMed Disclaimer

Conflict of interest statement

Competing interests: None declared.

LinkOut - more resources