Electrocardiogram (ECG or EKG) Index
An electrocardiogram is known by the acronyms "ECG" or "EKG" more commonly used for this non-invasive procedure to record the electrical activity of the heart. An EKG is generally performed as part of a routine physical exam, part of a cardiac exercise stress test, or part of the evaluation of symptoms. Symptoms evaluated include:
Patient Discussions - Viewers share their comments
Picture of Heart
The muscle that pumps blood received from veins into arteries throughout the body. See a picture of the Heart and learn more...learn more »
Echocardiogram is a test using ultrasound to provide pictures of the heart's valves and chambers. There are several types of...learn more »
In This Article
Polycythemia (High Red Blood Cell Count) Article
- Polycythemia facts
- What is polycythemia?
- What are normal ranges of hematocrit, red cell counts, and hemoglobin?
- What causes polycythemia?
- What are the causes of primary polycythemia?
- What are the common causes of secondary polycythemia?
- Can other sources of erythropoietin (EPO) cause polycythemia?
- What is relative polycythemia?
- What are the risk factors for polycythemia?
- What is stress polycythemia?
- What are the symptoms of polycythemia?
- When should I see a doctor about polycythemia?
- How is polycythemia diagnosed?
- What is the treatment for polycythemia?
- What are the complications of polycythemia?
- Can polycythemia be prevented?
- What is the outlook (prognosis) for polycythemia?
Fatigue can be described in various ways. Sometimes fatigue is described as feeling a lack of energy and motivation (both mental...learn more »
In This Article
- Fatigue Facts
- Fatigue introduction
- What causes fatigue?
- What are the signs and symptoms of fatigue?
- How is the cause of fatigue diagnosed?
- What is the treatment for fatigue?
- Can fatigue be prevented?