function getVitalsGraphValues()
{
// TODO - this data should probably be cached somewhere so a call to MDWS isn't made every time...
$soapResult = $this->m_oContext->getMdwsClient()->makeQuery("getVitalSigns", NULL);
$max_dates = 20;
$result = MdwsUtils::convertSoapVitalsToGraph(array("Temperature", "Pulse"), $soapResult, $max_dates);
if (!is_array($result)) {
$result = array();
}
return $result;
}
