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Febrile neutropenia or neutropenic fever is a defined as a single oral temperature value of ≥ 38.3 C (101 F) or a temperature ≥ 38 C (100.4 F) for ≥ 1 hour, with an absolute neutrophil count (ANC) < 1500 cell/microliter. [1] In case of severe neutropenia, the ANC is < 500 cell/microliter. [1]
Causes: Virus, bacteria, increase in the body's temperature set point [5] [6] Diagnostic method: Temperature higher than the normal range of 37.2 and 38.3 °C (99.0 and 100.9 °F) [1] [7] [8] Differential diagnosis: Hyperthermia [1] Treatment: Based on underlying cause, not required for fever itself [2] [9] Medication: Ibuprofen, paracetamol ...
Brazilian purpuric fever (BPF) is an illness of children caused by the bacterium Haemophilus influenzae biogroup aegyptius which is ultimately fatal due to sepsis. BPF was first recognized in the São Paulo state of Brazil in 1984.
The case definition of Brazilian Purpuric Fever is as follows: An acute illness in a child aged between 3 months to 10 years characterized by: Fever of 101.3 °F (38.5 °C) or higher; Abdominal pain and/or vomiting; Development of petechiae and/or purpura; No evidence of meningitis
Rheumatic fever primarily affects children between ages 5 and 17 years and occurs approximately 20 days after strep throat. In up to a third of cases, the underlying strep infection may not have caused any symptoms. [citation needed] The rate of development of rheumatic fever in individuals with untreated strep infection is estimated to be 3%.
The history of infection and disease were observed in the 1800s and related to the one of the tick-borne diseases, Rocky Mountain spotted fever. The cause of viral encephalitis was discovered in Russia based upon epidemiological clustering of cases. The virus causing this illness was isolated in 1937.
On physical exam, increased breathing rates, increased heart rates, and a low-grade fever 38.5 o C (101.3 o F) are common. [9] [3] Listening to the lungs may reveal crackles in one or both lungs, often starting in the right middle lobe.
Pathophysiology (or physiopathology) is a branch of study, at the intersection of pathology and physiology, concerning disordered physiological processes that cause, result from, or are otherwise associated with a disease or injury.