Lung ultrasound has become an accurate tool for diagnosing pulmonary edema. It can quickly reveal signs of fluid buildup and plural effusions. This painless test uses sound waves to measure blood flow through the lungs. A coronary angiogram can reveal any blockages and measure the pressure in your heart chambers. During a coronary angiogram, dye flows through the catheter, allowing blood vessels to show up more clearly on the X-rays. X-rays help guide the catheter through the blood vessel to your heart. This test may be done if an ECG, echocardiogram or other tests don't show the cause of pulmonary edema, or if you also have chest pain.ĭuring cardiac catheterization, a doctor inserts a long, thin tube (catheter) in an artery or vein in your groin, neck or arm. Your doctor can use this test to help diagnose fluid around the heart (pericardial effusion).Ĭardiac catheterization and coronary angiogram. It can identify areas of poor blood flow, abnormal heart valves and heart muscle that is not working normally. An echocardiogram creates a moving picture of your heart using sound waves (ultrasound).
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A portable ECG machine such as a Holter monitor may be used to continuously monitor your heartbeat at home. An ECG can show signs of heart wall thickening or previous heart attack. The signals are recorded in the form of waves on graph paper or a monitor.
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This painless test detects and records the timing and strength of your heart's signals using small sensors (electrodes) attached to the skin on your chest and legs. Blood tests to diagnose pulmonary edema and its causes also usually include a complete blood count, metabolic panel to check kidney function and thyroid function test. Increased levels of BNP may signal a heart condition. B-type natriuretic peptide (BNP) blood test.Blood is taken, usually from an artery in your wrist, and checked for the amount of oxygen and carbon dioxide it contains (arterial blood gas concentrations). A sensor is attached to your finger or ear and uses light to determine how much oxygen is in your blood. A computed tomography (CT) scan of the chest may not provide the cause for the pulmonary edema, but can give your doctor indirect clues to help make a diagnosis. It's usually the first test done when someone has signs or symptoms of pulmonary edema.
A chest X-ray can confirm the diagnosis of pulmonary edema and exclude other possible causes of your shortness of breath. Tests that may be done to diagnose pulmonary edema or to determine why you developed fluid in your lungs include:
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