We evaluated the efficacy of automated lamellar therapeutic keratoplasty (ALTK SystemÂ®; Moria/Microtek Inc., Doylestown, Pennsylvania, USA) in the treatment of various corneal disorders affecting the anterior to mid-stroma.
Whatâs the problem? Pulmonary regurgitation (PR, also called pulmonic regurgitation) is a leaky pulmonary valve. This valve helps control the flow of blood passing from the heart to the lungs. A leaky pulmonary valve allows blood to flow back into the heart chamber before it gets to the lungs for oxygen.
carâ¢diâ¢ac. 1. of or pertaining to the heart: cardiac disease. 2. of or pertaining to the esophageal portion of the stomach. 3. a person suffering from heart disease. cardiaque cardiacus kardiakos kardiakÃ³s(kardi) kardÃ­ ]. a heart