News You Can Use – What the Heck is PHT?
With no obvious physical signs, Pulmonary (arterial) Hypertension (PHT) is more common than previously believed. But what is it? PHT is high blood pressure in the arteries of the lungs. It can lead to right-sided Congestive Heart Failure and a myriad of respiratory or other signs. The most common sign of PHT is syncope. PHT is diagnosed during an echo, where pulmonary systolic pressure can be estimated from the tricuspid regurgitation jet velocity. Treatments include Pimobendan, Sildenafil and, to a lesser degree, ACE Inhibitors. These rarely normalize pulmonary arterial pressure to 30 mmHg. However, lowering the pressure by 10 to 30 mmHg can effectively control signs of PHT and reduce the likelihood of heart failure.
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