1 Critical Value: Our sample has size of 30, and so there are 29 degrees of freedom. 2  The critical value for confidence level of 90% is given by t * = 1.699.3  Margin of Error: Now we use the margin of error formula and obtain a margin of error of t * s /â n = (1.699)(2) /â(30) = 0.620. Critical Value: Our sample has size of 30, and so there are 29 degrees of freedom. 2  The critical value for confidence level of 90% is given by t * = 1.699.
vasodilator as diltiazem. Minimum therapeutic plasma diltiazem concentrations appear to be in the range of 50 to 200 ng/mL. There is a departure from linearity when dose strengths are increased; the half-life is slightly increased with dose. A study that compared patients with
In the US, Diltiazem (diltiazem systemic) is a member of the following drug classes: calcium channel blocking agents, group IV antiarrhythmics and is used to treat Angina Pectoris Prophylaxis, Atrial Fibrillation, Atrial Flutter, Heart Failure, High Blood Pressure, Raynaud's Syndrome and Supraventricular Tachycardia. US matches: