Bitter taste from...: Common causes of a bitter taste in the mouth include acid reflux, taking certain medications or even poor oral hygiene. Your sense of taste can also be impaired or distorted permanently from long-term smoking. Finally, a sudden bitter taste in the mouth can be a sign of an infection or other condition that requires immediate treatment.
You have probably heard about the harmonic scalpel and its role in treating hemorrhoids; but what is a harmonic scalpel and how does it work? A harmonic scalpel is medical equipment that is used in surgical procedures as an alternative to a steel scalpel or electro-surgical diathermy. It makes use of ultrasound technology to cut tissues and seal the edges. It is used in surgical procedures for simultaneously cutting and coagulating tissues.
About LASIK. LASIK is a surgical procedure that uses a laser to correct nearsightedness, farsightedness, and/or astigmatism. In LASIK, a thin flap in the cornea is created using either a microkeratome blade or a femtosecond laser. The surgeon folds back the flap, then removes some corneal tissue underneath using an excimer laser. The flap is then laid back in place, covering the area where the corneal tissue was removed.