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Query: UMLS:C0034065 (pulmonary embolism)
 14,979 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A case of Pantopaque pulmonary embolism during myelography is presented. All reported cases of venous intravasation of Pantopaque have been associated with traumatic lumbar tap, and a mechanism whereby a bloody lumbar tap causes venous intravasation and hence Pantopaque pulmonary embolism during myelography is postulated.
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PMID:Pantopaque pulmonary embolism during myelography. 83 66

Myocardial perforations with a central venous catheter are rare in adults (67 cases published since 1968). These accidents are fatal in more than two-thirds of the cases owing to confusion caused by misleading symptoms which suggest pulmonary embolism. The perforation is generally localized in the right atrium (29 cases), less frequently in the right ventricle (18 cases). The superior vena cava is rarely affected (3 cases). The site of the perforation was not found in the other published cases. Clinical symptoms are signs of tamponade with disorders of cardiac rhythm. An enlargement of the cardiac shadow and an abnormal position of the catheter, buckled or openly intrapericardial, make the diagnosis radiologically. Echocardiography provides some information, but this is often too late for practical application. The diagnosis is made with right catheterization when it shows an equalization of the diastolic pressures. This allows the patient to be watched closely following the pericardial tap, after which a surgical approach may be indicated and performed. Prevention of these iatrogenic accidents must be systematic and strictly controlled for.
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PMID:Iatrogenic cardiac tamponade after central venous catheter. 334 9

Significant hypoxemia can result from right-to-left intracardiac shunting through a patent foramen ovale, an atrial septal defect or a ventricular septal defect. Pulmonary embolus, congenital heart disease and pericardial tamponade are well-recognized causes of right-to-left shunting. However, right-to-left shunting can also follow pericardiocentesis. A case of profound hypoxemia caused by right ventricular hypokinesis precipitated by pericardial tap is reported. This under-recognized entity can be responsible for significant morbidity in the critical care setting. The clinical presentation, natural history, diagnosis and treatment of hypoxemia caused by intracardiac shunt following pericardiocentesis are discussed.
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PMID:Intracardiac shunt with hypoxemia caused by right ventricular dysfunction following pericardiocentesis. 1878 27

Upper extremity deep vein thrombosis (UEDVT) is a life threatening rare condition. Among the patients with UEDVT, internal jugular vein is accepted as uncommon thrombosis. Since internal jugular vein thrombosis (IJVT) is mostly underdiagnosed, a great attention is needed to diagnose the disease. A 75-year-old woman with history of dyspnea on exertion (DOE), weight loss and anorexia with the stable vital sign and right-sided cervical adenopathy with suspected thyroid nodule was admitted. One day after admission, sudden dyspnea was occurring with unstable vital sign and hypotension. Chest X-ray showed a bilateral pleural effusion. Pleural tap was exudative, CT scan showed bilateral pulmonary emboli. CT scan of the neck showed right-sided cervical adenopathy, heterogeneous thyroid and internal jugular vein thrombosis concomitant with superior thyroid vein thrombosis. The patient was treated with thrombolytic agent and enoxaparin followed by warfarin. Thyroid FNA revealed papillary thyroid carcinoma that followed by total thyroidectomy, histopathological examination verified papillary thyroid carcinoma. Although lower extremity DVT is the main cause of pulmonary emboli, but IJVT may be proceed by pulmonary embolism. Due to fatal outcome of pulmonary emboli in IJVT, color duplex sonography, is recommended in documented tumors or suspected history of malignancy.
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PMID:Acute pulmonary emboli due to internal jugular vein thrombosis in papillary thyroid carcinoma, a case report and literature review. 2459 74