Which ECG findings suggest pulmonary embolism (PE) in patients with deep venous thrombosis (DVT)?

Updated: Jun 06, 2019
  • Author: Kaushal (Kevin) Patel, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Answer

Electrocardiography may demonstrate ST-segment changes in patients with PE. The arterial oxygen saturation (PaO2) level may be lowered. All or none of these findings may be present, and the embolization may remain subclinical or silent. (See the images below.)

Deep venous thrombosis (DVT). Lung scans are shown Deep venous thrombosis (DVT). Lung scans are shown. LPO = left posterior oblique.
Deep venous thrombosis (DVT). Spiral computed tomo Deep venous thrombosis (DVT). Spiral computed tomography scan showing a pulmonary thrombus.
Deep venous thrombosis (DVT). This is the appearan Deep venous thrombosis (DVT). This is the appearance of a normal pulmonary angiogram.
Deep venous thrombosis (DVT). This is a positive p Deep venous thrombosis (DVT). This is a positive pulmonary angiogram.

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