The four/five-point restraint uses a lift-latch or a rotary buckle connector (Figure 5) for attachment of the pelvic harnesses. The four/five-point restraint does not have an enabling switch. Systems without an enabling switch are active (or enabled) when the system is completely electrically connected.
As genetic testing becomes increasingly available for these conditions, the Johns Hopkins Center for Inherited Heart Diseases can provide you with appropriate counseling on the risks and benefits of these tests.
HCM is the most common genetic cardiovascular disease. The estimated prevalence in the general adult population with phenotypic evidence of HCM is 1 per 500. Men are more often affected than women and black patients more so than white. In young adults, HCM is the most common cause of sudden cardiac death (SCD).