<s>[INST] my friend has two arteries on one side of his heart that is blocked. The doctors said that he is not a candidate for stents or surgery. The other arterie on the other side is also partially blocked. He is in ICU right now . The doctors said they are taking it hour to hour day by day. What are his chances of surviving? [/INST] Hioif he is not a candidate for stenting then ask thr cardiologist to consult ctvs surgeon for open heart by pass surgery.chances of survival with totally blocked artery are not possible he may get a massive heart attack any time leading to cardiac arrest.consult ctvs surgeon for by pass surgery, </s>