Dr. Alice M Sheridan M.D.

A kidney biopsy, also called renal biopsy, is a medical procedure which involves taking a sample tissue of the kidney for laboratory analysis. This procedure helps your doctor know the type of disease on your kidney, how severe the disease is and the best treatment option. A kidney biopsy is also...

Oliguria is a medical term used when referring to a decreased urine output. Oliguria is considered when a person’s urine output is less than 400 mL in a 24-hour period. When it comes to infants, oliguria occurs when the urine output is less than 0.5 mL/kg/hr for 24 hours. Anuria is the absence...

Headaches that recur two to three times during a short period of time are known as cluster headaches. This may last for few weeks, to months. These headaches often occur after sleep and recur throughout the day. It usually appears during the same time of the year, or season of the year. It may...

Epilepsy, also classified as seizure disorder, is a neurological disorder affecting the nervous system. A seizure is the result of electrical activity disturbance in the brain.There is no single cause for epilepsy for about half of the population with this condition. In other cases, the cause of...

Kidney stones are a condition that affects around 15 percent of the world's population. For reasons unknown, the condition's prevalence has increased over the last 30 years. Kidney stones more often affect men than women. What are kidney stones?Kidney stones or renal lithiasis is the formation of...

UltrasoundIt is actually a diagnostic procedure. High-frequency sound waves are transmitted through the body's tissues that are inaudible to the human ear. This creates videos or photographic images of the internal structure of the body after the echoes are recorded and transformed.Many diseases and...