1. pregnancy. 2. g-6pd deficiency. 3. use of antiplatelet agents including inhibitor of p2y12 adp platelet receptors, phosphodiesterase inhibitors, and glycoprotein iib/iiia inhibitors. 4. on therapeutic anticoagulation with coumadin, heparin and direct oral anticoagulants. 5. vasodilatory shock. 6. patient with known ongoing angina, recent myocardial infarction and sub-valvular aortic stenosis. 7. active gastric or duodenal ulcer or any bleeding disorder. 8. hemoglobin \<9 mg/dl, platelet count of \<30,000 /mm3. 9. acute respiratory infection for \>10 days. 10. known allergy/hypersensitivity to dipyridamole and/or aspirin. 11. severe hepatic or renal insufficiency. 12. uncontrolled hypertension defined as systolic \> 180 mm hg or diastolic \> 100 mm hg. 13. patients with known allergy to nsaids

1. pregnancy. 2. g-6pd deficiency. 3. use of antiplatelet agents including inhibitor of p2y12 adp platelet receptors, phosphodiesterase inhibitors, and glycoprotein iib/iiia inhibitors. 4. on therapeutic anticoagulation with coumadin, heparin and direct oral anticoagulants. 5. vasodilatory shock. 6. patient with known ongoing angina, recent myocardial infarction and sub-valvular aortic stenosis. 7. active gastric or duodenal ulcer or any bleeding disorder. 8. hemoglobin \<9 mg/dl, platelet count of \<30,000 /mm3. 9. acute respiratory infection for \>10 days. 10. known allergy/hypersensitivity to dipyridamole and/or aspirin. 11. severe hepatic or renal insufficiency. 12. uncontrolled hypertension defined as systolic \> 180 mm hg or diastolic \> 100 mm hg. 13. patients with known allergy to nsaids

pregnancy. g-6pd deficiency. use of antiplatelet agents including inhibitor of p2y12 adp platelet receptors, phosphodiesterase inhibitors, and glycoprotein iib/iiia inhibitors. on therapeutic anticoagulation with coumadin, heparin and direct oral anticoagulants. vasodilatory shock. patient with known ongoing angina, recent myocardial infarction and sub-valvular aortic stenosis. active gastric or duodenal ulcer or any bleeding disorder. hemoglobin <9 mg/dl, platelet count of <30,000 /mm3. acute respiratory infection for >10 days. known allergy/hypersensitivity to dipyridamole and/or aspirin. severe hepatic or renal insufficiency. uncontrolled hypertension defined as systolic > 180 mm hg or diastolic > 100 mm hg. patients with known allergy to nsaids

pregnancy. g-6pd deficiency. use of antiplatelet agents including inhibitor of p2y12 adp platelet receptors, phosphodiesterase inhibitors, and glycoprotein iib/iiia inhibitors. on therapeutic anticoagulation with coumadin, heparin and direct oral anticoagulants. vasodilatory shock. patient with known ongoing angina, recent myocardial infarction and sub-valvular aortic stenosis. active gastric or duodenal ulcer or any bleeding disorder. hemoglobin <9 mg/dl, platelet count of <30,000 /mm3. acute respiratory infection for >10 days. known allergy/hypersensitivity to dipyridamole and/or aspirin. severe hepatic or renal insufficiency. uncontrolled hypertension defined as systolic > 180 mm hg or diastolic > 100 mm hg. patients with known allergy to nsaids

1. pregnancy. 2. g-6pd deficiency. 3. use of antiplatelet agents including inhibitor of p2y12 adp platelet receptors, phosphodiesterase inhibitors, and glycoprotein iib/iiia inhibitors. 4. on therapeutic anticoagulation with coumadin, heparin and direct oral anticoagulants. 5. vasodilatory shock. 6. patient with known ongoing angina, recent myocardial infarction and sub-valvular aortic stenosis. 7. active gastric or duodenal ulcer or any bleeding disorder. 8. hemoglobin <9 mg/dl, platelet count of <30,000 /mm3. 9. acute respiratory infection for >10 days. 10. known allergy/hypersensitivity to dipyridamole and/or aspirin. 11. severe hepatic or renal insufficiency. 12. uncontrolled hypertension defined as systolic > 180 mm hg or diastolic > 100 mm hg. 13. patients with known allergy to nsaids

1. pregnancy. 2. g-6pd deficiency. 3. use of antiplatelet agents including inhibitor of p2y12 adp platelet receptors, phosphodiesterase inhibitors, and glycoprotein iib/iiia inhibitors. 4. on therapeutic anticoagulation with coumadin, heparin and direct oral anticoagulants. 5. vasodilatory shock. 6. patient with known ongoing angina, recent myocardial infarction and sub-valvular aortic stenosis. 7. active gastric or duodenal ulcer or any bleeding disorder. 8. hemoglobin <9 mg/dl, platelet count of <30,000 /mm3. 9. acute respiratory infection for >10 days. 10. known allergy/hypersensitivity to dipyridamole and/or aspirin. 11. severe hepatic or renal insufficiency. 12. uncontrolled hypertension defined as systolic > 180 mm hg or diastolic > 100 mm hg. 13. patients with known allergy to nsaids