Stroke Awareness and Cardiac Stress Tests May is National Stroke Awareness Month. On the Mayo Clinic Radio program, Dr. Robert D. Brown Jr., a Mayo Clinic neurologist and stroke expert, discusses stroke and stroke prevention. Also on the program, Dr. Paul McKie, a Mayo Clinic cardiologist, explains when and why you might need a cardiac stress test. And Dr. Craig Sawchuk, a psychologist and co-chair of Mayo Clinic’s Division of Integrated Behavioral Health, has tips for being a good mental health consumer.