This all happened over about 10-20 seconds after the injection. Blood moves quickly. Start the scan too early and you miss everything, too late and you get veins rather than arteries.
In a point release update with no mention in the release notes they changed the behaviour of the scanner - it then started the scan on clicking down in the button, not on lifting off.
A time critical scan on a patient due for theatre was messed up by me. Their renal function was poor and the scan couldn’t be repeated for a few days.
Every single antivirus program is more like malware than actual helpful software, because malware is in fact a spook and best antimalware we currently have is a functioning human brain.
It's really sad that pharmaceuticals, akin to antimalware companies are allowed to get away with any of this.
When brain doesn't work, such punyware like antivirus does nothing. Study done in around 2007 found that 35% of IRS workers will fall victim to social engineering... Ending up directly giving up their password, imagine the fun you can do if you have a password like that and you needed to run no malicious code to steal such information.
https://news.ycombinator.com/item?id=12965589