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Hunter syndrome is caused by a deficiency of the lysosomal enzyme iduronate-2-sulfatase (I2S). [2] [3] The lack of this enzyme causes heparan sulfate and dermatan sulfate to accumulate in all body tissues. [4] Hunter syndrome is the only MPS syndrome to exhibit X-linked recessive inheritance. [4] The symptoms of Hunter syndrome are comparable ...
Histamine intolerance is a presumed set of adverse reactions (such as flush, itching, rhinitis, etc.) to ingested histamine in food. The mainstream theory accepts that there may exist adverse reactions to ingested histamine, but does not recognize histamine intolerance as a separate medical condition that can be diagnosed. [1]
A woman experiences strange symptoms after breast reduction surgery; though the symptoms are initially attributed to the surgery, she is eventually diagnosed with inflammatory breast cancer. A baby has severe developmental delays, difficulty eating, and jerky movements; her unusually happy demeanor eventually leads to a diagnosis of Angelman ...
Children with Hurler syndrome may appear normal at birth and develop symptoms over the first years of life. Symptoms vary between patients. [citation needed] One of the first abnormalities that may be detected is coarsening of the facial features; these symptoms can begin at 3–6 months of age. The head can be large with prominent frontal bones.
Signs and symptoms are also applied to physiological states outside the context of disease, as for example when referring to the signs and symptoms of pregnancy, or the symptoms of dehydration. Sometimes a disease may be present without showing any signs or symptoms when it is known as being asymptomatic . [ 13 ]
Dimmer in a residential application with RF-based remote control. Non domestic dimmers are usually controlled remotely by means of various protocols. Analogue dimmers usually require a separate wire for each channel of dimming carrying a voltage between 0 and 10 V. Some analogue circuitry then derives a control signal from this and the mains ...
The symptoms of DRESS syndrome usually begin 2 to 6 weeks but uncommonly up to 8–16 weeks after exposure to an offending drug. Symptoms generally include fever, an often itchy rash which may be morbilliform or consist mainly of macules or plaques, facial edema (i.e. swelling, which is a hallmark of the disease), enlarged and sometimes painful lymph nodes, and other symptoms due to ...
A fan clutch is a thermostatic engine cooling fan that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine. As temperatures increase, the clutch engages so that the fan is driven by engine power and moves air to cool the engine.