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The first three letters refer to chamber paced, chamber sensed, and response to sensed events. The
letter is rarely used ... PPM #Pacemaker #LetterCode ... #Coding #Classification ... #Table
PDE5 inhibitors are usually the drugs of first choice for erectile dysfunction.

PDE5 inhibitors enhance an erection that is
choice for erectile dysfunction ... - which can be used ... #pharmacology #comparison ... #medications #dosing ... #drugs #table #