Can a phone call keep your blood pressure in check after a stroke?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Diagnosis of ischemic stroke defined as acute brain, spinal cord, or retinal infarction based on objective evidence on imaging (such as a focal area of restricted diffusion on Magnetic Resonance Imaging \[MRI\]) in a defined vascular distribution or clinical evidence of focal ischemic injury based on symptoms persisting \> 24 hours; or spontaneous hemorrhagic stroke defined as a focal collection of blood within the brain parenchyma that is non-traumatic and identified by brain computed tomography (CT) or brain MRI * Age ≥18 years * Discharged directly home from acute care or inpatient rehabilitation * At least one of the following: documented history of hypertension; self-reported history of hypertension; use of * hypertension medications (either prescribed prior to stroke, administered during hospital stay, or prescribed at discharge) * Systolic Blood Pressure ≥ 130 mmHg * Able to read and understand English or Spanish, * Have access to a functioning smartphone or tablet with cellular connectivity * Willing to install and use a study-compatible physical activity monitoring application on their smartphone or tablet or smartphone or tablet of a qualifying caregiver * Stated agreement to participate in either intervention to which they are assigned and attend all required study visits, * Consent to receiving Short Message Service (SMS) required as part of the study interventions * Consent to enrollment in Chronic Care Management required as part of the study interventions, * Provision of a signed and dated informed consent form Exclusion Criteria: * Subdural hematoma or subarachnoid hemorrhage * Current participation in another stroke clinical trial precluding dual enrollment * Presence of terminal illness, such as cancer, that limits life expectancy to \<1 year * Diagnosis of end-stage renal disease defined as permanent kidney dysfunction requiring the use of hemodialysis or peritoneal dialysis * Pregnancy, lactation or planning to become pregnant * Late-stage Alzheimer's disease or related dementia * Transitioned to a facility such as skilled nursing or long-term care prior to enrollment * Mid upper arm circumference \> 45 cm/17.7 inches or \< 22 cm / 8.66 inches * Missing values for Systolic Blood Pressure or Patient Activation Measure (PAM) score at baseline * Any condition that in the opinion of the study investigator would preclude the participant from being able to safely participate in the trial