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.
Palpitation (Definition) 1  Palpitations are an awareness of extra heartbeats which most of us have. 2  Heart palpitations are a clinical finding in which a person feels his heart beating strongly, feels his heart beating fast, or both. 3  Many people with chest pain fear a heart attack. However, there are many possible causes of chest pain. Some causes are not dangerous to your health, while other causes are serious and even life-threatening. ...Read more.