What is rhinitis medicamentosa? Rhinitis medicamentosa is nasal congestion and sneezing that arises with the overuse of medication for treating nasal symptoms. This is also known as rebound rhinitis. Although this is a short-lived reaction in some cases, it can have permanent effects such as chronic sinusitis. Typically >> Read More ...
Almost all vital processes of the body require energy. Carbohydrates in food are broken into simpler units, mainly glucose. This glucose is utilized by cells to derive energy. Optimum concentration of glucose in the blood is required for healthy functioning. It is maintained by hormones secreted from the pancreas – >> Read More ...
What is hyponatremia? Hyponatremia is a condition where the sodium (Na) levels in the blood are lower than normal. Sodium, often referred to a salt and associated with table salt (sodium chloride), is an important electrolyte in the body. It is not the only electrolyte, and therefore not the only salt. Low blood sodium is >> Read More ...
What is venous air embolism? Venous air embolism is when air enters the blood circulating back to the heart. It is not a common condition but has serious and severe consequences – it may even lead to death. Most cases of venous air embolism arises with medical procedures, hence the term ‘iatrogenic’. It >> Read More ...
Vitamins are essential nutrients required in tiny amounts by our body for its optimum development. We obtain it from external sources like food as almost all are not synthesized in our body. Although required in small amounts, vitamins serve as critical determinants of overall growth of body and functions. Classified >> Read More ...
What is autism? Autism is a condition where there is impaired neurodevelopment to the extent that it affects communication, social interaction and intellectual development. A broad range of compromised behaviors related to abnormal brain development, are classified as autism or more correctly autism spectrum disorder >> Read More ...
What is HIV pneumonia? Pneumonia is an infection of the lung that can occur in any person. It is more likely to affect people with weakened immune systems. HIV infection is one of the rapidly growing causes of a weak immune system. Therefore pneumonia in an HIV-positive patients is sometimes termed HIV pneumonia or more >> Read More ...
What is Hirschsprung disease? Hirschsprung is a birth defect where the nerves in the lower parts of the large bowels are missing thereby affecting normal bowel movement in these sections. The contents of the colon cannot be pushed along and becomes backed up thereby causing an obstruction in the bowel. Since the condition >> Read More ...
What is macrocytosis? Macrocytosis is the term for enlarged red blood cells. These blood cells, also known as erythrocytes, may be larger than normal for various reasons that affect its development. Therefore further investigations are necessary to identify the cause, as some of these causative factors can be very serious >> Read More ...
What is a gastrinoma? A gastrinoma is a tumor that secretes the hormone gastrin. Normally gastrin is secreted by certain cells in the pancreas, duodenum and stomach. The hormone gastrin stimulates the stomach to produce gastric acid. A gastrinoma secretes large amounts of gastrin. This causes an oversecretion of stomach >> Read More ...