1-Exercise capacity: capable of 1-10 mets?
2-Obesity: increase risk of PE, CV surgery has higher risks.
3-Obstructive Sleep Apnea (OSA): the body becomes accustomed to less O2 and gradually deteriorates, hypoxemia, respiratory failure, unplanned intubation, ICU transfer. Commonly associated with obesity.
4- Alcohol abuse: Use AUDIT-C questionaire, increased risk of infection with high score.
5- Illicit drug use: duh! resistance to opioids, withdrawal.
6- SMOKING: increased risk of cancer and everything else bad that can happen.