Lions Health First Lions HealthFirst Foundation is dedicated to providing low cost ultrasound test screenings for anyone and free screenings for qualifying seniors on fixed incomes. Approximately 200,000 people in the Las Vegas metropolitian area are without medical insurance. in Public bookmarkswith free_health_screeninglas_vegas_health_screeningultrasound_testing_in_las_vegas Note: Lions HealthFirst Foundation is dedicated to providing low cost ultrasound test screenings for anyone and free screenings for qualifying seniors on fixed incomes. Approximately 200,000 people in the Las Vegas metropolitian area are without medical insurance.