The information presented in this document by Boston Scientific is intended for healthcare professionals in India. [The information presented in this document is intended to provide balanced, scientific, and evidence based answers to unsolicited medical questions.] The information should not be, however, treated as comprehensive and does not intend to provide diagnosis, treatment or any medical or health advice. For full information about the product, please refer to the appropriate product labeling. Responsibility for patient care resides with the healthcare professional on the basis of his or her professional licence, experience and knowledge of the patient. Healthcare professionals must rely on their judgment when deciding which treatments and procedures to use with patients.