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Other signs and symptoms of Prader-Willi syndrome may include: 1  Nearsightedness (myopia) and other vision problems. 2  Light skin and hair compared with other family members. 3  High pain tolerance, making it difficult to identify injury or illness. 4  Problems regulating body temperatures during fever or in hot and cold places.
Right bundle branch block does not cause symptoms. Related symptoms depend on the underlying cause for the right bundle branch block and the severity of underlying heart disease. Symptoms of heart disease that may occur with right bundle branch block include: Chest pain; Difficulty breathing; Dizziness; Fainting; Faintness; Leg swelling (bilateral):