For cardiovascular prevention in sports cardiology this is supported by the international olympic committee, and follows the italian strategy consisting of personal and family history, physical exam, and 12-lead resting ecg. viagra online Fifa also performed preparticipation screening in all soccer players in the world championships in germany in 2006. United states to date, there is no national policy for the screening of cvd or sudden cardiac death in young athletes. Though many screening programs are currently being run by private entities as well as various non profit organizations. Most state laws require competitive athletes to undergo a physician-mediated physical examination and history. Ecg or echocardiograms are rarely used. A medical history and physical exam have shown to have little sensitivity or power to detect hcm or other risk conditions. The theory behind this lack of national standard is that screening is viewed as an aspiration to identify a rare cardiovascular disease with low incidence in a large population (approximately 2 in large integer individuals).  references ^ following their hearts, david hill, training & conditioning, 16. 2, march 2006 1. cheap viagra online Brukner p, khan k. Clinical sports medicine 3rd edition. (2007) mcgraw-hill australia pty ltd. 2. Corrado et al. (2006). Trends in sudden cardiovascular death in young competitive athletes after implementation of a preparticipation screening program. Journal of the american medical association. 296: 1593-1601. 3. Doemico, c. , basso, c. , shiavon, m. , thiene, g. (1998). Screening for hypertrophic cardiomyopthay in young athletes. N engl j med. cheap viagra sales online 339. 6, 364-369. 4. Fifa. Prevention the priority for fifa medical division. cheap viagra in usa (25 june 2005). how much mg of viagra should i take 5. cheap viagra online usa Fuller, c. Cheap legal viagra M. (2000). cheap viagra Cost effectiveness analysis of screening high school athletes for risk of sudden cardiac death. Med & sci sp ex. 32. 5, 887-890. 6. Futterman lg, myerburg r. buy viagra trial Sudden death in athletes: an update. best place to purchase viagra online Sports med. 1998;26:335â€“350. 7. cheap generic viagra International olympic committee. Sudden cardiovascular death in sport. Lausanne, switzerland. Lausanne recommendations adopted 9â€“10 december 2004. 8. Maron bj (mar 2002). "hypertrophic cardiomyopathy: a systematic review". Jama 287 (10): 1308â€“20. viagra over the counter uk 9. Maron bj. Hypertrophic cardiomyopathy. Practical steps for preventing sudden death. Physician sportsmed 2002; 30(1): 19-24. 10. Maron, b. J. cheap viagra sales online Et al. (2003). Sudden death in young athletes. N engl j med. 349. 1064-1075. reviews of viagra generic 11. viagra for sale Maron, b. J. , shirani, j. buy cheap viagra , poliac, l. , et al. (1996). Sudden death in young competitive athletes. Clinical, demongraphic and pathological profiles. Journal of american medical association, 276. Viagra overnight u. s 3. 199-204. 12. Maron, b. J. How buy viagra uk , thompson, p. D. (2002). Hypertrophic cardiomyopathy. viagra without a doctor prescription Physician and sports medicine, 30. 1. buy cheap viagra 127-133. 13. Pellicia et al. (2008). viagra generic online Outcomes in athletes with marked ecg repolarization abnormalities. New england journal of medicine.