![]() ![]() Lung crackles caused by heart disease require different interventions than those caused by chronic lung disease or an infection. Treatment for lung crackles depends on what’s causing them. With treatment, you may be able to slow disease progression. Lung sounds with left-sided heart failure should not be ignored, as left heart failure is the most common cause of right heart failure. Lung sounds with heart failure are common, and lung crackles may be a sign of worsening heart failure. Since PH forces the right side of the heart to work harder than usual, the extra stress can eventually damage the heart and lungs. ![]() Lung crackles can also be a sign of disease progression. They will likely use a combination of an echocardiogram, blood pressure and oximetry (oxygen level) readings, lung function tests, a chest X-ray, and other diagnostic measures to diagnose your PH. Regardless of how your lungs sound, your health care provider should still perform a complete physical examination. ![]() Since fluid in the lungs is associated with heart failure, your doctor may diagnose you with secondary pulmonary hypertension if you have lung crackles with other signs of left-sided heart failure, like fatigue and swelling in the legs. Lung crackles can only be heard with a stethoscope, and they tell your doctor that there could be too much fluid in your lungs. For example, lung crackles are uncommon with pulmonary arterial hypertension. Listening to your lungs can offer information to help your doctor determine a diagnosis. When there is a known risk factor, like heart disease or lung disease, it’s called secondary pulmonary hypertension. When the cause is unknown, the condition is called idiopathic or primary pulmonary hypertension. PH is diagnosed when that pulmonary artery pressure is measured at 25 millimeters of mercury (mm Hg) or greater at rest. Pulmonary hypertension is high blood pressure in the arteries that bring blood from the right side of the heart to the lungs. The location of the sound can help determine whether the source is heart failure, pulmonary fibrosis, pneumonia, or another heart or lung condition.
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