Definition Heart rhythm disorder is also called an arrhythmia. A disorder in heart rhythm is characterized by abnormal variation in the normal heartbeat. Usually, the abnormalities occur in heart rate, regularity of beats, and sinoatrial node (SA) where electrical impulses originate are collectively causing arrhythmia. Pathophysiology Each heartbeat begins when …
Read More »Asthma – Symptoms, Treatment, and Risk Factors.
Definition Asthma is the chronic condition that causes inflammation, swell, produce extra mucus and narrowing in the airway of the lungs. People who have this chronic condition for a long time or recurrent is said to be asthmatic. This causes wheezing, chest tightness, coughing and shortness of breath. A cough …
Read More »Anorexia Nervosa-Definition, Symptoms, and Treatment
Definition An individual with anorexia nervosa has an intense fear of gaining weight even when they are underweight. Hence, they eat very less quantity of food. As they are lacking with enough nutrients, their body becomes starved and their body shape gets distorted. They sometimes insist on others that they …
Read More »Adenomyosis – Causes, Risk factors and Symptoms
Definition Adenomyosis is the condition in which the cells that form lining on the inside of the uterus and also grows in the muscle wall of the uterus. This results in the enlarged uterus and heavy or longer bleeding as well as pain during intercourse or menstrual cycle. This condition …
Read More »Amenorrhea – Causes, Treatment and Prevention
Description Amenorrhea is the disappearance of menses in women who are at the reproductive stage. But it is common in prepubertal, postmenopausal, and pregnant woman. It also ceases in the women when they are breastfeeding. Around the age of 50, mensuration stops permanently. However, it is a health problem rather …
Read More »Avascular necrosis or Osteonecrosis- Definition, Causes, and Diagnosis.
Definition Avascular necrosis (AVN) is the localized death of the bone due to injury, trauma, disease or drug side effects. Necrosis generally mean for cell death. Lack of blood flow to the bone cells causes bone necrosis and lead to complete bone damage. This often happens to bone due to …
Read More »Astigmatism – History, Types, Symptoms and Treatment
Definition Astigmatism is the defects in the curvature of the cornea. If the curvature of the cornea and lens is mismatched, this will allow the light inside eye in different angles. This condition leads eye discomfort, headaches and blurred or fuzzy vision. History 1793- As a student, Thomas Young discovered …
Read More »Ascites – Definition, Causes, Diagnosis, and prevention.
Definition Ascites is the enormous accumulation of fluid (pale yellow and clear fluid) in the abdominal peritoneal cavity. Fluid fills between the abdomen and the organs. This cavity is the lining between the abdominal wall and the stomach. This cavity is located below the chest cavity and it is separated …
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