<prompt> Which of the following is NOT true about the use of Beta blocker in CHFThese should be staed at very low dose and sowly titrated upwardsCarvedilol is most widely used beta blockerThese are drug of choice in acute decompensated hea failure.These can reduce moality in CHF patients  <response>: Ref KDT 6e p544 Beta blockers are contra-indicated in acute decompensated hea failure. 