HCM, the pumping function is normal. but the heart muscle is thickened and. stiff, making it difficult for the heart to. relax and for blood to fill the heartâs. chambers. This limited filling prevents. the heart from supplying enough blood. to the body, especially during exercise.
What is Migraine? Migraine is a neurological disease characterized by episodic moderate to severe headaches with associated other neurological symptoms predominately autonomic symptoms. Typically, the headache affects one side of the head, is pulsating in nature, and can last up to 3 days.
Cluster headache: Introduction. A cluster headache is a type of headache that is severe and recurring and generally occurs on one side of the head. Cluster headaches occur in clusters of episodes that recur over days or weeks. Cluster headaches can be severe enough to disrupt everyday life, such as work, school, relationships, and social activities. Additional symptoms of cluster headaches can affect the eye and nose as well.