Pulmonary Hypertension (cont.)
IN THIS ARTICLE
Pulmonary Hypertension Causes
Traditionally, pulmonary hypertension is divided into two classes; 1) primary, and 2) secondary.
Primary pulmonary hypertension is not caused by any other underlying condition.
Secondary pulmonary hypertension is caused by other underlying conditions, such as:
More specifically, pulmonary hypertension may be caused by:
Other less common causes of secondary hypertension include:
Secondary pulmonary hypertension is much more common than primary pulmonary hypertension.
There is also a newer classification of this condition, which is more complex. In this system, pulmonary hypertension may be divided into five basic groups based on whether the underlying cause is:
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