Pulmonary hypertension (PH)is a very common clinical problem in cardiology.The classification of PH has been little complex. Now we have a fairly clear scheme formulated in 2008 in a small beach side county of California called Dana point .
I have tried to simplify it without affecting the core
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Category 1 is again divided into 5 categories
1.1 /1.2/1.3/1.4/1.5
Other categories( Category 2 to 5)
* Note there is a special category called 1 ‘ for pulmonary veno-occlusive disease .This should be distinguished from CTEPH
Summary
Remember 99 % all pulmonary hypertension will be constituted by the following seven entities .
Idiopathic PAH 1.1
Familial PAH 1.2
Connective tissue disease 1.4.1
Congenital heart disease 1.4.4
Left sided valvular /Myocardial heart disease 2.3.3
Secondary to COPD 3.1
CTEPH 4
In India (probably worldwide ) the commonest cause for PH is 2.3.3
The updated pulmonary hypertension classification is available here
Dr.S.Venkatesan MD 