<prompt> ACE inhibitors are contraindicated inDiabetes mellitusHypeension in age old patientSclerodermaBilateral renal aery stenosis  <response>: Refer kDT 6e p 484 Angiotensin-conveing enzyme inhibitors ACEIs are contraindicated in patients with bilateral renal aery stenosis due to risk of azotemia resulting from preferential efferent aeriolar vasodilation in the renal glomerulus due to inhibition of angiotensin II. 