To avoid this potentially fatal outcome, the term "camphorated tincture of opium" is avoided in place of paregoric since the former can easily be mistaken for opium tincture.In 2004, the FDA issued a "Patient Safety" news bulletin stating that "To help resolve the confusion [between opium tincture and paregoric], FDA will be working with the manufacturers of these two drugs to clarify the labeling on the containers and in the package inserts." Indeed, in 2005, labels for opium tincture began to include the concentration of morphine (10 mg/mL) in large text beneath the words "Opium Tincture". The FDA has also alerted pharmacists and other medical practitioners about the dangers of confusing these drugs, and has recommended that opium tincture not be stocked as a standard item (i.e., that it should not be "on the shelf"), that opium tincture be dispensed in oral syringes, and that pharmacy software alert the dispenser if unusually large doses of opium tincture appear to be indicated.Despite the FDAs efforts over the past few years, the confusion persists, sometimes with deadly results. The Institute for Safe Medication Practices recommends that opium tincture not be stocked at all in a pharmacys inventory, and that "It may be time to relegate opium tincture and paregoric to the museum of outmoded opioid therapy." Despite the risk of confusion, opium tincture, like many end-stage medications, is indispensable for intractable diarrhea for terminally ill patients, such as those with AIDS and cancer.
Aortopulmonary window (APW) refers to a congenital heart defect similar in some ways to persistent truncus arteriosus. Persistent truncus arteriosus involves a single valve; aortopulmonary window is a septal defect.A large number of patients with a large APW usually die within 1 year of age. It is extremely rare to find cases of APW surviving till adult age and it is still rare to surgically treat such patients who are incidentally detected in adult age because such subsets of patients invariably have associated pulmonary vascular obstructive disease in advanced stage and thus there is therapeutic dilemma to surgically correct these patients.Although cases of uncorrected APW presenting in adulthood have been reported but literature on surgically treated AP window in adult populations is limited. A rare case of successful surgical management of an incidentally detected large APW with reversible pulmonary arterial hypertension has been reported as isolated case reports. See also
Aortic window
Major aortopulmonary collateral artery, developes when native pulmonary circulation is underdeveloped

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