The Board granted service connection for arrhythmia, finding that the evidence is in approximate balance and resolving reasonable doubt in favor of the Veteran.

The Board granted service connection for basal cell carcinoma and a higher initial disability rating of 70 percent for other specified trauma-and-stressor-related disorder, while denying increased ratings for lumbosacral strain, right lower radiculopathy, bilateral hearing loss, chronic rhinitis, tension headaches, and mitral valve prolapse.

The Board denied the Veteran's claims for an increased rating for dyspnea of unknown etiology and service connection for cardiac arrhythmia, dermatosis-left hand, cervicothoracic pain, radicular pain and paresthesia of upper extremities, and obstructive sleep apnea.

The Board denied service connection for chronic headaches, CFS, fibromyalgia, respiratory insufficiency, cardiac arrhythmia, skin disability, and chronic sinusitis due to a lack of evidence supporting the presence of these conditions during or after service.

The Board denied the appellant's claim for entitlement to service connection for the cause of the Veteran's death, as the evidence did not support a finding that the Veteran's heart condition, liver condition, or hepatitis C began during active service or were otherwise related to an in-service injury, event, or disease.