Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Spontaneous apneas in a patient with severe apnea (AHI=80.5 events/h). The patient was unable to stay awake and adhere to the breath-hold instructions, showing quasi-periodic fluctuations: (a) computed for total CBF and SSS velocity; (b) regional BOLD response.
