People having high pulse pressure have thick artery walls which do not even allow small blood clots to pass through, their arteries may get damaged and their heart has to work more than normal and these increase the chance of heart attack.
Yes. Heart attack is often more likely in the presence of an elevated pulse rate or high blood pressure. Additional problems like arrhythmia or congenital valve defects can add to this. To lower your blood pressure try exercising more and eating less fat.
There is no such thing as "high pulse pressure. " High blood pressure can be a sign of clogged arteries, which can increase your risk for a heart attack.