The total blockage of the LAD artery is a serious problem that requires immediate treatment. Delayed treatment for a heart attack can lead to significant tissue damage and scarring. ... it is generally accepted that a patient must have at least 70% blockage of an artery and symptoms of blockage," Justice Department attorneys wrote. What. The total blockage of the LAD artery is a serious problem that requires immediate treatment. Delayed treatment for a heart attack can lead to significant tissue damage and scarring. ... it is generally accepted that a patient must have at least 70% blockage of an artery and symptoms of blockage,” Justice Department attorneys wrote. What. Interstitial lung disease life expectancy is different for everyone oxjg.ffbcelladinoceto.it | 521: Web server is down One of the more serious symptoms of carcinoid syndrome is heart valvular lesions, a condition in which excess serotonin causes injury to the valves in the heart What is the expected life expectancy following a CABG for a triple. Answer (1 of 3): The person has multi vessel disease and needs intervention. He is fit case for PTCA (Angioplasty). Get it opened asap before it gets complicated with 100 percent blockage. Since LAD is involved, it could be easily a life threatening situation. No point in self consolation through. Dr. Fiocco explains, “Yes, and many people do. If the artery occludes over a long period of time, your heart and body adjust and no symptoms, sometimes even if the artery is occluded. “Collateral circulation, small capillaries which enlarge. Symptoms of initial onset may include nausea, shortness of breath, pain in the head, jaw, arms or chest, numbness in fingers, often of a novel but imprecise sensation which builds with irregular heart beat. Early symptoms may be mistaken for food poisoning, flu or general malaise until they intensify.