Publications by authors named "Niharika Agarwal"

Dengue is a prevalent arthropod-born viral disease with a wide spectrum of clinical presentations ranging from undifferentiated fever to a more severe form of the disease, dengue hemorrhagic fever, and dengue shock syndrome. However, atypical manifestations such as hepatic, neurological, cardiac, and kidney involvement are increasingly being reported, thus the term "expanded dengue syndrome". We report a series of cases with an atypical presentation of dengue fever marked by various cardiac manifestations, including cardiogenic shock secondary to myocardial involvement.

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Background: Rheumatoid arthritis (RA) is a chronic inflammatory connective tissue disorder with wide spectrum of presentation from polyarthritis to multisystem involvement. Apart from bones, muscles and other soft tissues, Vitamin D receptors have been found on many immune cells and tissues. The most vital function of Vitamin D is calcium and phosphorus absorption but it can also act as an immune-modulator hormone, which can affects both innate and adaptive immune responses leading to autoimmune diseases.

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