Top nicardipine Related Articles. 1  amlodipine Amlodipine besylate (Norvasc) is a drug that belongs to the drug class of calcium channel blockers (CCBs), and is prescribed for the treatment and prevention of angina (heart or chest pain) that results from coronary spasm and from exertion.
By age 3 or 4 years, most children are able to cooperate for subjective visual acuity testing using an eye chart. If a child is unable to cooperate for visual acuity testing at age 3, a second attempt should be made within 6 months, if the child is age 4, a second attempt should be made within one month.
Unlike some tests, pulmonary function testing is highly dependent on the efforts of the patient and the technician performing the test. Pulmonary function testing can be considered to be several tests in one. The primary factors that determine what is normal for a given pulmonary function measurement are Age, Height and Gender.