Semler Scientific
The primary aim of this validation protocol is to assess cardiovascular function through transthoracic echocardiography ("Echo") measurements and the QuantaFlo HD test measuring blood flow at the finger during a forced expiration ("FE"). The study examines whether Echo-measured GLS values greater than -16% correlate with abnormal responses during FE as measured by QuantaFlo HD.
Inclusion Criteria: * Male and female adult (≥ age 22) subjects with a minimum of 1 of the following: * A history of Cardiovascular Diseasei or PAD * Recorded history of at least two of the following * Hypertension * Diabetes * Hyperlipidemia Exclusion Criteria: * Unable to safely perform a forced expiration, or unable to obtain a technically adequate FE test result * Subjects with a pacemaker or ICD with pacemaker function * Terminal advanced illness * Recent cardiothoracic surgery (within 12 months) * Retinal eye disease with anticoagulants * History of eye surgery, within 90 days * Uncon…
blood flow at the finger during a forced expiration
Arctuva estimate
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