Monday 17 October 2016

Appendicitis


Appendicitis is an inflammation of the appendix, a finger-shaped pouch that projects from your colon on the lower right side of your abdomen. The appendix doesn't seem to have a specific purpose.

Appendicitis causes pain in your lower right abdomen. However, in most people, pain begins around the navel and then moves. As inflammation worsens, appendicitis pain typically increases and eventually becomes severe.

Although anyone can develop appendicitis, most often it occurs in people between the ages of 10 and 30. Standard treatment is surgical removal of the appendix.


Symptoms 

Signs and symptoms of appendicitis may include:
* Sudden pain that begins on the right side of the lower abdomen
* Sudden pain that begins around your navel and often shifts to your lower right abdomen
* Pain that worsens if you cough, walk or make other jarring movements
* Nausea and vomiting
* Loss of appetite
* Low-grade fever that may worsen as the illness progresses
* Constipation or diarrhea
* Abdominal bloating

The site of your pain may vary, depending on your age and the position of your appendix. When you're pregnant, the pain may seem to come from your upper abdomen because your appendix is higher during pregnancy.

When to see a doctor

Make an appointment with a doctor if you or your child has worrisome signs or symptoms. Severe abdominal pain requires immediate medical attention.


Source: myoclinic

Friday 7 October 2016

Diabetes mellitus



Diabetes mellitus (or diabetes) is a chronic, lifelong condition that affects your body's ability to use the energy found in food. There are three major types of diabetes: type 1 diabetes, type 2 diabetes, and gestational diabetes.

All types of diabetes mellitus have something in common. Normally, your body breaks down the sugars and carbohydrates you eat into a special sugar called glucose. Glucose fuels the cells in your body. 
But the cells need insulin, a hormone, in your bloodstream in order to take in the glucose and use it for energy. With diabetes mellitus, either your body doesn't make enough insulin, it can't use the insulin it does produce, or a combination of both.

Since the cells can't take in the glucose, it builds up in your blood. High levels of blood glucose can damage the tiny blood vessels in your kidneys, heart, eyes, or nervous system. That's why diabetes-- especially if left untreated -- can eventually cause heart disease, stroke, kidney disease, blindness, and nerve damage to nerves in the feet.


Source: webmed 

Thursday 6 October 2016

Hernia


What is a hernia?

A hernia occurs when an organ pushes through an opening in the muscle or tissue that holds it in place. For example, the intestines may break through a weakened area in the abdominal wall.
Hernias are most common in the abdomen, but they can also appear in the upper thigh, belly button, and groin areas. Most hernias are not immediately life threatening, but they don’t go away on their own and can require surgery to prevent potentially dangerous complications.

Common hernia types:

Inguinal hernia

Inguinal hernias are the most common type of hernia. They make up about 70 percent of all hernias, according to the British Hernia Centre (BHC). These hernias occur when the intestines push through a weak spot or tear in the lower abdominal wall, often in the inguinal canal.
The inguinal canal is found in your groin. In men, it is the area where the spermatic cord passes from the abdomen to the scrotum. This cord holds up the testicles. In women, the inguinal canal contains a ligament that helps hold the uterus in place.
This type of hernia is more common in men than in women. This is because a man’s testicles descend through the inguinal canal shortly after birth, and the canal is supposed to close almost completely behind them. Sometimes, the canal does not close properly and leaves a weakened area prone to hernias.

Hiatal hernia

A hiatal hernia occurs when part of your stomach protrudes up through the diaphragm into your chest. The diaphragm is a sheet of muscle that helps you breathe by contracting and drawing air into the lungs. It separates the organs in your abdomen from those in your chest.
This type of hernia is most common in patients over 50 years old. If a child has the condition, it’s typically caused by a congenital (birth) defect. Hiatal hernias almost always cause gastroesophageal reflux, which is when the stomach contents leak backward into the esophagus, causing a burning sensation.

Umbilical hernia

Umbilical hernias can occur in children and babies under 6 months old. This happens when their intestines bulge through their abdominal wall near their bellybutton. You may notice a bulge in or near your child’s bellybutton, especially when they’re crying.
An umbilical hernia is the only kind that often goes away on its own, typically by the time the child is 1 year old. If the hernia has not gone away by this point, surgery may be used to correct it.

Incisional hernia

Incisional hernias can occur after you’ve had abdominal surgery. Your intestines may push through the incision scar or the surrounding, weakened tissue.

What causes a hernia?

Hernias are caused by a combination of muscle weakness and strain. Depending on its cause, a hernia can develop quickly or over a long period of time.
Common causes of muscle weakness include:
  • failure of the abdominal wall to close properly in the womb, which is a congenital defect
  • age
  • chronic coughing
  • damage from injury or surgery
Factors that strain your body and may cause a hernia, especially if your muscles are weak, include:
  • being pregnant, which puts pressure on your abdomen)
  • being constipated, which causes you to strain when having a bowel movement
  • heavy weight lifting
  • fluid in the abdomen, or ascites
  • suddenly gaining weight
  • persistent coughing or sneezing
source: health line

Sunday 2 October 2016

Bulimia nervosa






Bulimia (boo-LEE-me-uh) nervosa, commonly called bulimia, is a serious, potentially life-threatening eating disorder. People with bulimia may secretly binge — eating large amounts of food — and then purge, trying to get rid of the extra calories in an unhealthy way. 

For example, someone with bulimia may force vomiting or engage in excessive exercise. 
Sometimes people purge after eating only a small snack or a normal-size meal.


Bulimia can be categorized in two ways:

* Purging bulimia. You regularly self-induce vomiting or misuse laxatives, diuretics or enemas after bingeing.

* Nonpurging bulimia. You use other methods to rid yourself of calories and prevent weight gain, such as fasting, strict dieting or excessive exercise.
However, these behaviors often overlap, and the attempt to rid yourself of extra calories is usually referred to as purging, no matter what the method.

If you have bulimia, you're probably preoccupied with your weight and body shape. You may judge yourself severely and harshly for self-perceived flaws. 

Because it's related to self-image — and not just about food — bulimia can be hard to overcome. But effective treatment can help you feel better about yourself, adopt healthier eating patterns and reverse serious complications.


Myoclinic 

Wilms' tumor



Wilms' tumor is a rare kidney cancer that primarily affects children. Also known as nephroblastoma, Wilms' tumor is the most common cancer of the kidneys in children. 

Wilms' tumor most often affects children ages 3 to 4 and becomes much less common after age 5.
Wilms' tumor most often occurs in just one kidney, though it can sometimes be found in both kidneys at the same time.

Improvements in the diagnosis and treatment of Wilms' tumor have improved the prognosis for children with this disease. The outlook for most children with Wilms' tumor is very good.

Saturday 1 October 2016

Breast cancer


Breast cancer is the top cancer in women both in the developed and the developing world. The incidence of breast cancer is increasing in the developing world due to increase life expectancy, increase urbanization and adoption of western lifestyles.
 Although some risk reduction might be achieved with prevention, these strategies cannot eliminate the majority of breast cancers that develop in low- and middle-income countries where breast cancer is diagnosed in very late stages. Therefore, early detection in order to improve breast cancer outcome and survival remains the cornerstone of breast cancer control. 
Limited resource settings with weak health systems where breast cancer incidence is relatively low and the majority of women are diagnosed in late stages have the option to implement early diagnosis programmes based on awareness of early signs and symptoms and prompt referral to diagnosis and treatment.
Population-based cancer screening is a much more complex public health undertaking than early diagnosis and is usually cost-effective when done in the context of high-standard programmes that target all the population at risk in a given geographical area with high specific cancer burden, with everyone who takes part being offered the same level of screening, diagnosis and treatment services.
So far the only breast cancer screening method that has proved to be effective is mammography screening. Mammography screening is very costly and is cost-effective and feasible in countries with good health infrastructure that can afford a long-term organized population-based screening programmes. Low-cost screening approaches, such as clinical breast examination, could be implemented in limited resource settings when the necessary evidence from ongoing studies becomes available.
Many low- and middle-income countries that face the double burden of cervical and breast cancer need to implement combined cost-effective and affordable interventions to tackle these highly preventable diseases. 
WHO promotes breast cancer control within the context of national cancer control programmes and integrated to noncommunicable disease prevention and control.

Source: WHO

Vitamin D



Vitamin D is a vitamin. It can be found in small amounts in a few foods, including fatty fish such as herring, mackerel, sardines and tuna. To make vitamin D more available, it is added to dairy products, juices, and cereals that are then said to be “fortified with vitamin D.” But most vitamin D – 80% to 90% of what the body gets – is obtained through exposure to sunlight. Vitamin D can also be made in the laboratory as medicine.

Vitamin D is used for preventing and treating rickets, a disease that is caused by not having enough vitamin D (vitamin D deficiency). Vitamin D is also used for treating weak bones (osteoporosis), bone pain (osteomalacia), bone loss in people with a condition called hyperparathyroidism, and an inherited disease (osteogenesis imperfecta) in which the bones are especially brittle and easily broken. It is also used for preventing falls and fractures in people at risk for osteoporosis, and preventing low calciumand bone loss (renal osteodystrophy) in people with kidney failure.

Vitamin D is used for conditions of the heart and blood vessels, including high blood pressure and high cholesterol. It is also used for diabetes, obesity, muscle weakness, multiple sclerosis, rheumatoid arthritis, chronic obstructive pulmonary disease (COPD), asthma, bronchitis, premenstrual syndrome (PMS), and toothand gum disease.

Some people use vitamin D for skinconditions including vitiligo, scleroderma, psoriasis, actinic keratosis, and lupusvulgaris.

It is also used for boosting the immune system, preventing autoimmune diseases, and preventing cancer.

Because vitamin D is involved in regulating the levels of minerals such as phosphorous and calcium, it is used for conditions caused by low levels of phosphorous (familial hypophosphatemia and Fanconi syndrome) and low levels of calcium (hypoparathyroidism and pseudohypoparathyroidism).

Vitamin D in forms known as calcitriol or calcipotriene is applied directly to the skin for a particular type of psoriasis.

If you travel to Canada, you may have noticed that Canada recognizes the importance of vitamin D in the prevention of osteoporosis. It allows this health claim for foods that contain calcium: "A healthy diet with adequate calcium and vitamin D, and regular physical activity, help to achieve strong bones and may reduce the risk of osteoporosis.” But the US version of this osteoporosis health claim does not yet include vitamin D.


WebMed