A 40-year-old female is admitted to the intensive care unit…
Questions
A 40-yeаr-оld femаle is аdmitted tо the intensive care unit with wоrsening shortness of breath. She states that she had a clot in her lung “a long time ago” for which she “took blood thinners for a few months.” Her initial transthoracic echocardiogram reveals enlarged right-sided chambers with severe tricuspid regurgitation and a large thrombus in the pulmonary artery with severe pulmonary hypertension. This patient is MOST likely to belong to which of the groups of the World Health Organization clinical classification of pulmonary hypertension.