Medical Science

Brain scans are imaging tests of the head that are used to diagnose possible injury or disease. The most common rain scan technologies are computed axial tomography (CAT), position emission tomography (PET), magnetic resonance imaging (MRI), Functional MRI (fMRI), Electroencephalography…
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In the past, patients suffering from recurrent palpitations and their physicians have found the problem very frustrating to manage. Although seeming like an eternity, each episode might only last a few seconds and never show up on an EKG. Even…
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How can we study human mental and psychology phenomena? For researchers, knowing the human brain activity is essential, since the brain works as the major control of mankind. Brain imaging or brain scanning, widely known as the “brain scan”, is…
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Heat, applied through boiling and autoclaving is used to sterilize. But how does heat destroy cells and viruses? Here is a simple explanation of heat’s mode of action. Applying heat is one of the simplest ways to kill microbes, at…
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Angiography is a medical technique in which still images or moving images are taken to visualize the blood filled areas of the body. These areas include various veins or arteries located throughout the body as well as the chambers of…
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Physicians who find themselves caring for a patient on mechanical ventilation must be familiar with ventilator function and settings.  Altering various aspects of the mechanical ventilator will allow a physician to achieve the two basic goals of mechanical ventilation: 1….
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Positron emission tomography is an imaging test that uses a small amount of radioactive material (radiotracer) to show how your tissues and organs are functioning. The radiotracer can be injected, taken orally, or inhaled; the method of delivery and the…
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In November 2008, history was made in Spain when scientists announced the “world’s first tissue-engineered whole organ transplant using a windpipe made with the patient’s own stem cells”. Since then scientists all over the world have been quietly trying to…
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Stem cell research is a controversial and hotly debated topic, which has sharply divided opinions among medical scientists. The issue is related to the use of some kinds of cells to regenerate the damaged tissues in the human body. It…
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Middle ear infections are a common ailment for young children, most often between ages six months and two years. Generally, ear infections clear up in a few weeks and some can be treated with antibiotics. However, when a child has…
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