Pulmonary hypertension is a hemodynamic problem that can result in grave morbidity and mortality, including right-sided heart failure and sudden death. The nature of the pulmonary circulation makes it highly interdependent with right ventricular function. Thus, the study of functional deterioration in pulmonary blood flow should always take into account the impact on right ventricular function, and vice versa. In this article, a comprehensive discussion of the pathophysiology, monitoring, and diagnosis is provided for the complicated disorder of pulmonary hypertension.
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