<prompt> Calcium channel blockers are used for all exceptAnginaSupraventricular ArrythymiaSick sinus syndromeHypeension  <response>: Calcium channel blockers are contraindicated in sick sinus syndrome along with beta blockers . Sick sinus syndrome, also known assinus node dysfunction SND, is adisorder of the sinoatrial SA node caused by impaired pacemaker function and impulse transmission producing a constellation of abnormal rhythms Refer kDT 6e p532 