VIZ ACCESS HCM - Multi-Site Registry

All Cohorts * Patients aged 18+ years at time of arrival to healthcare facility * Patients with a resting 12-lead digital electrocardiogram (ECG) that is flagged by Viz HCM for HCM suspicion Additional cohort-specific criteria: Cohort 1 - Newly Diagnosed Patients * Patients have been diagnosed with HCM after the Viz HCM implementation * Written informed consent is obtained prior to data collection Cohort 2 - Previously Diagnosed Patients ● Prior diagnosis of HCM as evidenced by clinical diagnosis documentation prior to Viz HCM implementation Cohort 3 - Suspected and Not Diagnosed Patients ● Patients did not receive sufficient clinical workup for HCM diagnosis confirmation Cohort 4 - Unlikely HCM ● Patient ECG moved to 'Unlikely HCM' group within Viz by site study staff following HCM alert review Cohort 5 - Alerts Not Reviewed ● HCM alert not reviewed by site study staff during study enrollment period