<s>[INST] my husband had a heart attack on sunday they did have him on heavy sudative drugs but they have not gave him any in a while but he's still talking like he's loopy...like asking to go to the market knowing he is in the hospital, just saying off the wall stuff could that be from the sudative meds still or could the heark attck effected his brain?? [/INST] your husband had a myocardial infarction ..the intial treatment of  heart attack involves the use of morphine injection ..morphine is an opiod drug...which changes perception of pain....morphine is sedative in nature and may cause delerium(false peceptions)you have not wriiten whethr your husband is thrombolysed or stented but in either cases patient is kept on benzodiazapenes class of medicines which reduces the level of anxiety...these drugs causes sluggishness make patient sleepy and may causes mild deliriums(what u call disoriented)dont worry its not because his brain is affected by heart attacki would suggest you to go for ecg every day for 3days2d echo cardiography to find out the area of heart damaged and the ejection fraction(how much blood now heart can pump)most like these delirium will pass by in a day or twokeep a watch on  blood pressure because delirious attitude can be because of hypovolemic shock also which is a complication of m.i </s>