husband is having dizziness and vomiting for past hour and half - pretty much constant vomiting...difficulty standing or moving due to dizziness... not really spinning, but more of back and forth motion sensation. no fever....some sweating most prior to vomiting. 81 years old/ hx of a-fib, CLL, and lymes. Does this warrant er visit. He thought he got foot poisoning from chicken salad he ate about 5 hours ago....but chicken salad was made Sat w/yogart (no mayo) and I had eaten it Sat and yesterday w/o problems.