10. Cardiac Involvement: An Infrequent but Serious Aspect of HIBM

Though not common, cardiac involvement can occur in some cases of HIBM. While heart muscle is typically spared in most people with HIBM, some individuals might experience cardiac symptoms. These can range from mild arrhythmias to more serious conditions such as cardiomyopathy.
As with other symptoms, the progression of cardiac involvement can be gradual. It might start with subtle changes like occasional heart palpitations or chest discomfort, gradually progressing to more overt symptoms like fatigue, shortness of breath, or swelling in the legs.
Cardiac involvement in HIBM is a serious matter, and even subtle symptoms should be promptly discussed with healthcare providers. Regular cardiac screenings may be incorporated into the overall management plan for those with HIBM to ensure early detection and appropriate treatment of potential cardiac complications.
The possibility of cardiac involvement underlines the importance of comprehensive care in managing HIBM. Individuals should be equipped with the knowledge of potential symptoms, the importance of regular monitoring, and the understanding that all symptoms, however seemingly minor, warrant discussion with their healthcare team. (10)