Abstract
Background: Pulmonary embolism (PE) remains the third most frequent cardiovascular disease worldwide and is associated with high mortality rates. We presented a case of PE with a history of tibial surgery and showed the role of Computed Tomography Pulmonary Angiography (CTPA) in early diagnosis and management of PE. Case presentation: A 23-year-old man was referred to our hospital with sudden dyspnea followed by sharp chest pain, haemoptysis, pre-syncope, diaphoresis, and weaknesses. He had a history of tibial surgery and immobilization one month before admission. His vital sign was unstable, with blood pressure of 110/60 mmHg (supported by Norepinefrin 0.5 mcg/kg/minutes), heart rate of 120 beats/minute, respiratory rate of 24 times/minute, and oxygen saturation of 99% (oxygen mask 6 lpm). An electrocardiogram showed sinus tachycardia with McGinn-White sign. A chest X-ray showed Palla sign. An echocardiogram showed reduced right ventricular systolic function with McConneal sign. CTPA was performed due to the moderate-high risk PE with the presence of hyperattenuating and partial filling defect. Streptokinase was then administered, followed by adequate anticoagulation using rivaroxaban for three months. The clinical and CTPA evaluation showed a good result. Conclusions: Initial assessment using PE’s scoring system will help clinicians determine the needs of CTPA. CTPA has a sensitivity of 53-100% and a specificity of 83-100% for the diagnosis of PE. This makes CTPA mandatory in high-risk PE, thus speeding up the initial treatment, which correlates with clinical outcomes.
Subject
General Pharmacology, Toxicology and Pharmaceutics,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine
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