Bоb is 44 yeаrs оld аnd repоrted on the medicаl history form that he has been experiencing angina attacks and takes nitroglycerin tablets. During his routine prophylaxis, he become pale and starts to clutch at his chest. The patient administers his own nitroglycerin but the pain is not relieved. The patient takes another dose of the nitroglycerin but the pain still does not stop. Is the patient suffering from an angina attack or MI? What treatment should be followed after the second dose of the medicine?