The red blood cells (RBCs or erythrocytes) are important carriers of gas in the blood ensuring that oxygen reaches all tissues. These cells are constantly being produced and destroyed in the body. The balance ensures that there is a sufficient quantity of RBCs in the blood. The normal lifespan of a red blood cell is about >> Read More ...
Hemostasis is the mechanism to prevent blood loss. It is a fast acting system that has multiple steps to reduce blood loss, temporarily and then permanently plug the leak until the integrity of the blood vessel is restored. There are four main phases to hemostasis with the blood coagulation phase following vascular >> Read More ...
Blood is contained within the cardiovascular system – the heart and blood vessels – with additional amounts stored in the liver and spleen. The quantity of blood in the human body is approximately 5.5 liters. When bleeding, up to 20% of this total blood volume can be lost without a person being at risk provided >> Read More ...
White blood cells are important components of the body’s immune system. These cells are also known as leukocytes. There are different types of white blood cells which are broadly divided into the granulocytes and agranulocytes named so due to the presence of granules within the >> Read More ...
Bleeding is the loss of blood from a vessel and the medical term is hemorrhage. Although bleeding is often only associated with an open wound on the skin, there can be blood loss internally without any obvious signs of bleeding. Blood may pass out into environment any of the extravascular spaces – these are any >> Read More ...
What is hypertension? Hypertension is the medical term for elevated blood pressure. This is a higher than normal pressure within the blood vessels as blood travels through it. High blood pressure in the short term does not cause any significant damage in the body and may even go unnoticed. However, prolonged elevation of >> Read More ...
Diagnosing vaginal bleeding with the presence of clots first depends on whether the bleeding is normal or abnormal. Normal vaginal bleeding relates to the periods (menstruation) and while any other bleeding may be considered abnormal, there may be a little blood after surgery to the vagina, cervix or uterus, or after an >> Read More ...
Kenneth198 Asked : About a year ago I started noticing that my mouth was constantly dry and I was drinking a lot of water to moisturize the mouth. I thought it was diabetes because this is a common symptom, isn’t it? All diabetes tests were clear and about 2 months ago I had other tests and my doctor tells me that it >> Read More ...
Types of Angioedema Angioedema can be characterized as : This is an immune reaction to an allergen. Symptoms may appear within the first 2 hours after exposure to the allergen and usually settle within 3 days. Urticaria is usually present but not always. Acquired Angioedema This type of angioedema is associated with >> Read More ...
Randell67 Asked : I am a 42 year old male and have been fit for most of my life. Recently I was feeling a bit tired and weak at times and I went to the doctor. I was worried that it may be my heart or something because I was getting some of these symptoms like chest pain and short breath. All the tests came back clear >> Read More ...
