Prevalence of right-to-left shunting on echo
Monday, September 6th, 2010In this cross sectional study of 104 healthy volunteers, 71% had evidence of right to left shunting on saline contrast echo. The presence of right to left shunting is extremely common (from PFO’s and pulmonary AV malformations), and is likely not causally related to conditions such as migraines or crytogenic stroke (abstract)