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[7] [54] A neutropenic fever, also called febrile neutropenia, is a fever in the absence of normal immune system function. [55] Because of the lack of infection-fighting neutrophils , a bacterial infection can spread rapidly; this fever is, therefore, usually considered to require urgent medical attention. [ 56 ]
It is unclear if rapid viral testing in the emergency department for children with acute febrile respiratory infections reduces the rates of antibiotic use, blood testing, or urine testing. [11] The relative risk reduction of chest x-ray utilization in children screened with rapid viral testing is 77% compared with controls. [11]
A systematic review of 32 randomised controlled trials with 6,078 participants with acute respiratory infections compared procalcitonin (a blood marker for bacterial infections) to guide the initiation and duration of antibiotic treatment, against no use of procalcitonin. Among 3,336 people receiving procalcitonin-guided antibiotic therapy ...
These lesions mostly disappear with the resolution of acute illness, [63] but a very small group of the lesions persist and progress. [64] There is also late-onset aortic or mitral insufficiency caused by thickening or deformation of fibrosed valves, with the timing ranging from several months to years after the onset of Kawasaki disease. [65]
She began to wonder whether many cases of vaguely defined febrile illnesses were in fact caused by the drinking of raw (unpasteurized) milk. [48] During the 1920s, this hypothesis was vindicated. Such illnesses ranged from undiagnosed and untreated gastrointestinal upset to misdiagnosed [ 48 ] febrile and painful versions, some even fatal.
The illness tends to be milder in reservoir hosts. The most commonly affected organs are the kidneys, liver, and reproductive system, but other organs can be affected. [28] In dogs, the acute clinical signs include fever, loss of appetite, shivering, muscle pain, weakness, and urinary symptoms. Vomiting, diarrhea, and abdominal pain may also ...
A person with an acute febrile respiratory illness with clinical, radiological, or histopathological evidence of pulmonary parenchymal disease (e.g., pneumonia or acute respiratory distress Syndrome), an inconclusive MERS-CoV laboratory test (that is, a positive screening test without confirmation), and a resident of or traveler to Middle ...
Meningism is a set of symptoms similar to those of meningitis but not caused by meningitis. [1] [3] [4] Whereas meningitis is inflammation of the meninges (membranes that cover the central nervous system), meningism is caused by nonmeningitic irritation of the meninges, usually associated with acute febrile illness, [1] [2] especially in children and adolescents. [2]