<prompt> Atropine can cause:Decreased cardiac outputHeart blockHypertensionMydriasis  <response>: Atropine is an anticholinergic drug. It causes increased heart rate.Atropine causes mydriasis and decreased sweating.No consistent or marked effect on BP, though hypotension may occur due to histamine-release and direct vasodilator action at high dose; tachycardia and vasomotor centre stimulation tend to rise BP. 