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Echocardiogram
2013-07-29 11:11:00

An echocardiogram is a test that, much like an ultrasound, uses sound waves to create a moving image of the heart. The most common type of echocardiogram is performed transthoracic, meaning the image is taken through a probe against the chest. A TTE does not involve radiation and is a very safe procedure. A cardiac sonographer will put a gel on the patient's chest and move the transducer around...

Coronary Angiography
2013-07-29 11:05:01

A coronary angiography, also known as a coronary catheterization, is a procedure that gives both visual and tactical access to coronary circulation and blood filled chambers of the heart for both diagnostic and interventional purposes. It is one of many diagnostic tests used in cardiology. More specifically, coronary catheterization recognizes occlusion, stenosis, thrombosis or aneurismal...

Cerebellum
2013-07-29 09:48:00

The cerebellum is a section of the brain that is most in charge of cognitive functions and motor skills. Formation and Orientation The cerebellum can be found at the bottom of the brain behind the pons and below that cerebral cortex under a layer of dura mater. It is considered as a part of the "hindbrain". The cerebellum is anatomically divided into two separate hemispheres, marked by...

Adjustment Disorder
2013-07-29 09:41:01

Adjustment Disorder is commonly known as situational disorder as well. It is often considered a significantly smaller situation than anxiety disorder or post-traumatic stress disorder with a usually less intense stressor than those of the more extreme disorders. Symptoms Because the disorders are similar, Adjustment Disorder and PTSD have similar symptoms like general loss of interest, a...

Acute Stress Reaction
2013-07-29 09:36:16

Acute Stress Reaction (ASR), also referred to as shock or Acute Stress Disorder (ASD), is a variation on Post-Traumatic Stress Disorder (PTSD). Symptoms ASR can often escalate to ASD. Symptoms of acute stress reaction include a change in attention, disorientation, daze and confusion. After these symptoms occur, victims suffering from ASR can often become withdrawn from their surroundings...

Generalized Anxiety Disorder
2013-07-25 15:07:54

Generalized Anxiety Disorder (GAD) is an anxiety disorder with worry about normal, everyday situations such as finance, health and wellbeing in relationships (personal and work related) all lasting longer than six months. Symptoms The symptoms of GAD can include but are not limited to difficulty swallowing, rashes, shortness of breath, fidgeting, headaches, tension, nausea, etc. In order...

Duodenal Atresia
2013-07-19 15:38:56

Duodenal atresia is a congenital closure of the lumen of the duodenum, which is the first portion of the small intestine and is separated from the stomach by the pyloric sphincter. During fetal development, the duodenum develops from the posterior portion of the foregut and the anterior portion of the midgut. The liver and pancreas originate from the diverticulum arising from the ventral part...

Posttraumatic Stress Disorder
2013-07-19 15:31:29

Posttraumatic stress disorder (commonly known as PTSD) is a severe anxiety disorder characterized by adverse anxiety-related experiences, behaviors, and physiological responses that results from exposure to an event that causes psychological trauma. Examples of events that could lead to PTSD include the threat of harm or death to oneself or to someone else, or witnessing an event that...

Marfans Syndrome
2013-07-19 15:22:33

Marfan's syndrome is a genetic disorder of the connective tissue that causes excessively tall stature and long extremities. It is carried by the gene FBN1, which encodes the connective protein fibrillin-1, and is a dominant trait. The human genetic makeup contains a pair of FBN1 genes, so because of its dominance, inheriting one affected FBN1 gene from either parent will result in Marfan's...

Cystic Fibrosis
2013-07-19 15:03:45

Cystic fibrosis, also called mucoviscidosis, is an autosomal recessive genetic disorder of the viscous secretions in the body. In turn, it effects the lungs, pancreas, liver, and intestines, as well as all other exocrine glands in the body. The most common genetic mutation that causes CF is a deletion of three nucleotides that results in a loss of phenylalanine, an amino acid at the 508th...

Word of the Day
mitraille
  • Small missiles, especially grape, canister, fragments of iron, and the like, when fired, as upon an enemy at close quarters.
  • To fire mitraille at.
The word 'mitraille' comes from the Old French 'mitaille', meaning 'small coins', sometimes used to mean 'scrap iron'.