Insulin is a hormone responsible for bringing glucose to the cells, providing the body with energy. People withdiabetes need insulin to control their blood sugarwhen they do not make any or don’t make enough. There are many types of insulin pens. Verywell / Theresa Chiechi Some contain different features, while others are allocated for specific insulin types. Insulin pens vary in price, pop in of insulin, and dosing. Some pens are able to deliver half-unit increments, while others deliver insulin in one- or two-unit increments....

An insulin pump is a small wearable electronic rig that helps regulate insulin andblood glucose(sugar) levels. Courtney Hale / Getty Images What Is an Insulin Pump? Some people with diabetes need to take insulin, a hormone that manages blood sugar levels. Courtney Hale / Getty Images An insulin pump is a substitute for multiple dailyneedle injections of insulin. It helps regulate insulin and blood glucose levels for people with diabetes....

Insulinomasare rare tumors that form in the pancreas, an organ essential to enzyme and hormone production. One of these primary hormones isinsulin, which helps metabolize food and regulates blood sugar. Insulinomas cause an overproduction of insulin, which can result inhypoglycemia, or low blood sugar. Verywell / Theresa Chiechi Most insulinomas are noncancerous, and full recovery is often achieved when the tumor is surgically removed. This article will discuss the symptoms, causes, diagnosis, and treatment of insulinomas....

MRIs, ormagnetic resonance imaging, can be done with or without contrast. An MRI with contrast is performed in a hospital or outpatient facility. How Does an MRI With Contrast Work? Monty Rakusen / Getty Images Others still can target specific cells like tumors. An MRI with contrast isn’t a good choice for every situation. They are broadly outlined by the ACR in the following chart. What Happens Before the Test? Be sure to dress appropriately before heading to your procedure....

Obsessions are persistent and often intrusive thoughts, ideas, or impulses. Most people know theirobsessionsare excessive but feel unable to control them. Because they are unwanted and disturbing, obsessions usually cause anxiety. FS-Stock / Getty Images This article will discuss obsessions, including types, causes, coping methods, and treatment options. FS-Stock / Getty Images What Is an Obsession? To relieve that anxiety, they are driven to performcompulsions. Recurring, unwanted thoughts are especially common during times of stress....

When practiced together, the specialties are commonly referred to as OB/GYN or OB-GYN. The vast majority work in medical offices, outpatient clinics, and hospitals. Obstetrics Obstetrics involves care during preconception, pregnancy, childbirth, and the weeks following childbirth. Caiaimage / Agnieszka Wozniak / Getty Images Gynecologists provide both preventive services and medical or surgical interventions when needed. Procedural Expertise Obstetrics is devoted solely to conception, pregnancy, childbirth, and postpartum care. Gynecology involves all other aspects of a woman’s health, although certain conditions may overlap during pregnancy....

An ocular migraine causes temporary changes in vision that may or may not be accompanied by a headache. This article will look at both types. These symptoms are short lived and have no lasting effects. Retinal Migraine A retinal migraine affects only one eye and can occur before or during a headache. Causes of Ocular Migraines Migraines are a neurological disease, but their root cause isnt fully understood. They can help diagnose ocular migraines....

An optic nerve pit is a backward protrusion of tissue seen on theoptic nerve. Optic nerve pits are not that common. It is responsible for transmitting visual information (what you see) from the retina to the brain. kolderal / Getty Images The optic nerve is made up of more than 1 million nerve fibers. If vision changes do occur, they are more likely to happen in a person’s 20s or 30s....

An orthopedist is also known as an orthopedic doctor, orthopedic physician, or orthopedic surgeon. If you need treatment, an orthopedist can recommend surgical or non-surgical (conservative) options. If you need surgery, an orthopedic surgeon can perform it and oversee your recovery. Asiseeit / Getty Images What Do Orthopedists Do? An orthopedist helps in the rehabilitation of a variety of injuries. Your orthopedist will also assess the need for other services and specialties to assist in your care....

This article will describe what an otoscope is and how it is used during an otoscopy. AndreyPopov / Getty Images What Is an Otoscope? The air inside the ear canal allows the healthcare provider to observe the movement of the eardrum. AndreyPopov / Getty Images What Is an Otoscopy? Otoscopy is the formal name for an ear examination. Although theearis a small part of the body, it consists of many parts....

Anovarian cystis a solid or fluid-filled sac that forms in or on the ovaries. Westend61 / Getty Image Types of Ovarian Cysts There are several types of ovarian cysts. The most common bang out is functional cysts. Westend61 / Getty Image These cysts are a normal part of menstruation and typically resolve independently after two to three months. Functional cysts include: Typically, people who have gone through menopause do not develop functional cysts....

This is the tube through which stool passes when having a bowel movement. It is separate from, though connected to, the rectum. When the cells of the tissue of the anus become abnormal and grow uncontrollably, cancer develops. ibreakstock / Getty Images These include: Anal vs. Rectal Cancer Anal cancer andrectal cancerare different. The rectum is the last few inches of the large intestine. Although it is a rare disease, it has been increasing in frequency in recent years....

Anaplastic astrocytoma is a rare malignant brain tumor. It develops from astrocyte cells that normally protect nerve cells in the brain and spinal cord. Anaplastic astrocytomas are grade III astrocytomas. Verywell / Joules Garcia Focal seizuresare one kind of seizure seen in brain tumors. Most anaplastic astrocytoma tumors develop slowly and over time. However, in some cases, the tumor develops rapidly, and this can cause symptoms to appear suddenly. you might have one or more of these symptoms....