Pediatrics – Fever in a Neonate, Fever in a Child: By Hosanna Au M.D.

Pediatrics – Fever in a Neonate, Fever in a Child: By Hosanna Au M.D.

Fever is a common feature of many disease processes. It is an elevation in body temperature mediated by the hypothalamus as a physiologic response to an insult. In children, fever most commonly results from infectious, inflammatory, or malignant processes. By far, the most common cause of fever in children is infection. Although there are various…

Sinusitis, Animation.

Sinusitis, Animation.

Sinusitis, also known as sinus infection or rhinosinusitis, is a very common condition where the paranasal sinuses are inflamed, causing congested nose, headache and facial pain. Paranasal sinuses are air cavities in the bones of the skull. There are four pairs of sinuses located on either side of the head. They are the maxillary, frontal,…

Influenza: Get the (Antigenic) Drift

Influenza: Get the (Antigenic) Drift

Have you ever wondered why you need a flu vaccination each year? Unlike other viruses that are relatively stable, influenza viruses are always changing. Influenza genes drift to create new viruses. This means that the infection-fighting antibodies that your body makes in response to the flu vaccine may only protect you for one flu season.…