4/8/2023 0 Comments Dm1 vs dm2![]() It’s often more obvious after rest and improves with muscle activity. Symptoms of classic myotonic dystrophy type 1 begin in adulthood. Symptoms of classic myotonic dystrophy type 1 The severity and rate at which these symptoms develop depend on the type of DM. However, DM can affect many different parts of your body and cause a variety of other symptoms. For example, it may be difficult for someone with DM to let go of a door handle after grasping it. Myotonia is the inability to relax muscles at will. The main symptoms of myotonic dystrophy include the following, which get progressively worse over time: What are the symptoms of myotonic dystrophy? In most populations, type 1 is more common than type 2. DM is the most common muscular dystrophy in people of European ancestry. Myotonic dystrophy (DM) affects at least 1 in 8,000 people across the world, though the prevalence of it varies among different geographic and ethnic populations. Myotonic dystrophy type 2: This form typically begins in adulthood.Childhood myotonic dystrophy type 1: This form usually begins around the age of 10.Congenital myotonic dystrophy type 1: This form affects infants (“congenital” means “present at birth”).Mild myotonic dystrophy type 1: This form affects people 20 to 70 years old (typically after the age of 40).Classic myotonic dystrophy type 1: This form usually begins in your 20s, 30s or 40s. ![]() (But certain types of myotonic dystrophy begin in infancy or childhood.) Who does myotonic dystrophy affect?ĭifferent forms of myotonic dystrophy begin at different ages: It’s the most common form of muscular dystrophy that begins in adulthood. Myotonic dystrophy is one type of muscular dystrophy. This affects your ability to walk and perform daily activities. Over time, your muscles shrink and become weaker. These conditions are a type of myopathy, a disease of your skeletal muscles. Muscular dystrophy refers to a group of more than 30 inherited (genetic) conditions that cause muscle weakness. What is the difference between muscular dystrophy and myotonic dystrophy? Their symptoms overlap, but DM2 tends to be milder than DM1. Myotonic dystrophy type 2 (DM2), also known as proximal myotonic myopathy.DM1 has four types: classic, mild, congenital and childhood. Myotonic dystrophy type 1 (DM1), also known as Steinert disease.There are two main forms of myotonic dystrophy: ![]() It can affect several body systems, including your: Myotonic dystrophy (DM) has a wide range of symptoms. People with the condition often have prolonged muscle contractions ( myotonia) and can’t relax certain muscles after using them. ![]() Myotonic dystrophy (DM) is a complex, inherited condition that mainly causes progressive muscle atrophy and weakness. ![]()
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