If you have a genuine medical or any other emergency, please call 9-1-1.
Frommers has general information about health and safety in Las Vegas, which can be useful reading.
Urgent medical care vs. Emergency medical careUrgent care is not emergency care. Urgent care centers are same-day clinics that can handle a variety of medical problems that need to be treated right away. Most urgent care centers don't need a prior appointment and take "walk-in" patients.
This link has a detailed comparison between urgent and emergency medical care.
If you are unsure, call 9-1-1 or go to an emergency room at a hospital. You may ask any of the conference organizers or hotel personnel for help getting there.
Urgent care centers near the conference venueSanta Rosa Urgent Care
South Maryland Location:
4972 S Maryland Pkwy # 2, Las Vegas, NV 89119
Located in: Camelot Shopping Center
Ph: (702) 740-4789
Eastern Ave Location:
4161 S. Eastern Ave, Suite B3, Las Vegas, NV 89119
Ph: (702) 693-6222
Major hospitals near the conference venueSunrise Hospital and Medical Center
Desert Springs Hospital
Pharmacies near the conference venue (within 1 mile)CVS
4490 Paradise Rd, Las Vegas, NV 89109
1180 E Flamingo Rd, Las Vegas, NV 89119