Pulmonary Hypertension

Presentation A 3 year old male neutered Shih Tzu presented for evaluation of lethargy, increased respiratory rate and effort, coughing as well as increasing murmur intensity. Patient was previously diagnosed with pulmonary hypertension secondary to acute pulmonary disease 6 months prior based on echocardiography and thoracic radiographs. Acute therapy with antibiotics and bronchodilators was initiated at that time with minimal response. Enalapril was also initiated and continued. Echocardiogram Severe enlargement of the right atrium and right ventricle as well as severe thickening of the RVFW and IVS. Marked systolic flattening of the IVS. Severe leakages of the pulmonic and tricuspid …Read More