<prompt> All are true about staing a beta-blocker therapy in a patient with congestive hea failure except:They should be staed with maximum doseThey should be gradually increased over weeksSpecial precautions should be taken in cases of NYHA class III and IVCarvedilol and metoprolol are the preferred drugs.  <response>: Beta-blocker is useful in mild to moderate hea failure. Staing dose should be very low then titration upward as tolerated to a target level. Sudden stoppage of beta-blockers is also not recommended REF. Essential of medical pharmacology KD TRIPATHI 8th Edition 