- See:
Class II Agents
- Discussion:
- for
HTN; B1 selective;
-
adult dose:
- initially 50mg PO qd, may increase to 50 mg PO bid;
- if greater than 50mg qd required must divide the dose;
- IV: 5-10 mg dose last about 12 hrs (versus 24 hrs PO)
- w/ acute
MI: 5 mg IV over 5 min followed by 5 mg PO 10 min later, then after
10 more min, try 50 mg PO q12 hr x 2;
-
contraindicated with
bradycardia, 2nd, 3rd degree
heart block, CHF, cardiogenic shock, or hypotension;
- note that abrupt cesation of atenolol therapy in patients w/ CAD can result in exacerbation of
angina;
- unlike
propanolol or
metoprolol, tenormin undergoes little hepatic degradation, it is excreted primarily in the kidneys;
