Which is first: HF or HTN?

How to differentiate between: 1. Hypertension causing hypertrophy and eventual heart failure and congestion and 2. congestive heart failure for another reason causing decreased renal blood flow and increased RAAS leading to HTN? I came by a Q in UW (qid: 1532) where they show a patient presenting with CHF and HTN and ask about angiotensin II levels in his pulmonary veins. The answer was increased, because the patient has scenario number 2. What if it was scenario... Which is first: HF or HTN?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums