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PE DD - -D-Dimer assay for low to intermediate probability...

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Differential Diagnosis -Chest X-ray has two purposes It helps rule out other pulmonary diseases It can reveal various conditions Areas of atelectasis Elevated diaphragm and pleural effusion Prominent pulmonary artery Occasionally, the characteristic wedge-shaped infiltrate suggestive of pulmonary infaction, or focal oligemia of blood vessels -Thoracic imaging: V/Q scan (possibly using SPECT or single photon emission computerized technology) or helical contrast-enhanced computed tomography (CT). -Lung scan shows perfusion defects in areas beyond occluded vessels -Pulmonary angiography is the most definitive test for showing location of emboli
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Unformatted text preview: -D-Dimer assay for low to intermediate probability of pulmonary embolism-ECG is inconclusive but helps distinguish pulmonary embolism from MI-ABG measurements usually show decrease PaO2 and PaCo2 but these changes don’t always occur-Thoracentesis may rule out pneumonia by dectecting whether empyema, an indicator of pneu-monia, is present Although all of these tests are essential the key diagnostic test results for pulmonary embolism include Lung scan: Perfusion defects in areas beyond occluded vessels and Pulmonary an-giography: Presence of emboli in specific areas....
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