Diagnostic Procedures

Pregnancy Testing – Types of hCG Tests

What is a Pregnancy Test? A pregnancy test is used to confirm pregnancy and uses the urine or blood to detect the presence and levels of certain hormones which would be indicative of the pregnant state. There are a number of hormones, including progesterone and early pregnancy factor, which can be used to confirm pregnancy >> Read More ...

Male Rectal Exam, Other Tests and Alternatives

BernieK Asked : I am a 52 year old male and have been have had 3 urinary tract infections in the last 8 months. The first two times I was just given antibiotics by my doctor. No tests apart from an examination. I developed severe diarrhea that lasted for like 2 months. When I got my third infection I insisted that tests be >> Read More ...

Calculate Pregnancy Due Date – Delivery Date Methods

As soon as pregnancy is confirmed, most women will want to ascertain the expected date of delivery. Calculating the pregnancy due date is usually based on the last menstrual period (LMP), but may be confirmed or corroborated by other means. The estimated date of delivery (EDD) or the estimated date of confinement (EDC) is >> Read More ...

Stages of HIV/AIDS – First to Final Phase Signs and Symptoms

HIV infection can be classified in two ways : Four clinical stages based on the presence or absence of signs, symptoms and opportunistic infections. This is more commonly used and is known as the WHO clinical staging of HIV/AIDS for adults and adolescents. Three clinical categories of HIV infection which is based on the >> Read More ...

CD4 Count Dropping, Viral Load Stable in HIV Infection (Graph)

Curtis302 Asked : I am HIV positive, diagnosed just over 3 years ago and I have been having regular tests to check my CD4 count. My doctor told me that I only need to do it once every 6 months but I do it every 3 months and pay for it myself. Twice a year I check my viral load as well. In the last 3 tests, my CD4 has been >> Read More ...

First HIV Test and Meaning of HIV Early Test Results

What is an ELISA HIV Test ELISA stands for Enzyme Linked Immunosorbent Assay. It is the most common HIV test and is used up till this day to detect HIV infection. This test detects the presence of HIV antibodies in the bloodstream. The immune system forms these proteins known as antibodies so that immune cells can target >> Read More ...

Gastrointestinal Bleeding, Anemia and Coffee

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 ...

Labored Breathing – Tests and Diagnosis

Diagnosing the cause of dyspnea depends on the clinical evaluation and the results of  investigative tests that will be conducted. Due to the various reasons for shortness of breath, some of the tests will not be directly related to the lungs. Not all the tests mentioned below will be conducted and the attending physician >> Read More ...
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