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 28,634 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Congenital bronchogenic cysts of the lung and mediastinum develop from the ventral foregut during embryogenesis. These cysts are often incidental radiologic findings in adults, but patients can be seen with symptoms of chest pain, cough, dyspnea, or any combination of these. Acute presentations are unusual and have rarely been reported. We present the unique case of a 36-year-old man seen with an acute coronary syndrome and sudden hemodynamic collapse. The patient sustained a massive and ultimately fatal myocardial infarction, compression of the left main coronary artery by a bronchogenic cyst was demonstrated at postmortem examination. If detected, bronchogenic cysts should be surgically excised to limit associated morbidity and mortality.
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PMID:Mediastinal bronchogenic cyst manifesting as a catastrophic myocardial infarction. 1039 Dec 98

Pulmonary embolus in children is rare. A case of massive pulmonary embolus, after surgery, in a child of 14 years is described. Accident and emergency doctors should be aware that pulmonary embolus can occur in children and exercise a high index of suspicion for the diagnosis in those patients with risk factors for the condition who present acutely with typical symptoms such as dyspnoea, chest pain, haemoptysis, or collapse.
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PMID:Massive pulmonary embolus in a 14 year old boy. 1041 42

A 48-year-old man with a history of hypertension and diabetes mellitus was hospitalized with sudden onset of severe chest pain. He was in cardiogenic shock with a systolic pressure of 60 mm Hg. His electrocardiogram (ECG) showed ST-segment elevation in the precordial leads suggestive of acute anteroseptal myocardial infarction. The ST-segment returned to baseline after the systolic blood pressure rose to 100 mm Hg with the administration of sympathomimetic agents. Aortography and transesophageal echocardiography demonstrated type A aortic dissection and aortic regurgitation. Aortography and short-axis transesophageal echocardiography showed during diastole almost complete collapse of the true lumen of the ascending aorta caused by the intimal flap. The patient underwent surgical repair of the aortic dissection and implantation of Palmaz stents in the carotid arteries. Decreased blood pressure and the presence of aortic regurgitation accelerated the collapse of the true lumen during diastole in the ascending aorta, resulting in functional obstruction of the left main coronary artery, which may have been related to ST-segment changes in this case.
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PMID:A case of aortic dissection with transient ST-segment elevation due to functional left main coronary artery obstruction. 1071 27

Anomalous left main coronary artery (LMCA) originating from the right coronary sinus and running between the aorta and pulmonary trunk is a rare congenital condition. Although this disease is known to be associated with myocardial infarction and sudden death, the precise mechanism is uncertain. A 14-year-old male with this anomaly developed myocardial infarction during exercise complicated by primary antiphospholipid syndrome. He was admitted to hospital with persistent chest pain and sudden cardiac collapse that occurred while he was running. Cardiac catheterization demonstrated a narrowed segment in the LMCA and impaired blood flow, prompting a diagnosis of extensive anterior myocardial infarction. Emergency bypass surgery was performed using a single saphenous vein graft to the left anterior descending artery. Postoperative angiography showed the presence of an anomalous LMCA arising from the right sinus of Valsalva and running between the great vessels. The aortic samples were pathologically normal. He was discovered to also have primary antiphospholipid syndrome and was discharged without symptoms after warfarin therapy. Complicated primary antiphospholipid syndrome may trigger myocardial infarction in asymptomatic patients with this type of coronary anomaly.
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PMID:Acute myocardial infarction in a patient with anomalous left coronary artery origin and primary antiphospholipid syndrome. 1073 55

We report three HIV-negative patients with spontaneous pneumothorax as clinical manifestation of active tuberculosis acute chest pain and dyspnea was the cause of admission. Chest roentgen grams showed lung collapse and parenchymal cavitation in two of therm and hydropneumothorax in the other. Outcome was favorable with antituberculous drug therapy and placement of chest tube. Although spontaneous pneumothorax is frequent in fibrosis pulmonary tuberculosis, it seldom complicated active tuberculosis in spite of increase of its incidence.
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PMID:[Spontaneous pneumothorax and active pulmonary tuberculosis]. 1159 82

A 66 year old woman presented to the accident and emergency department with history of collapse, hoarseness of the voice, and swelling and bruising of the neck. The diagnosis was not initially obvious because of the absence of chest pain. The findings on the radiograph of the soft tissue of the neck and chest radiograph suggested the need for computed tomography of the neck and chest. This confirmed the cervical haematoma and typical signs of aortic dissection. This unusual presentation of thoracic aortic dissection is discussed below.
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PMID:Collapse, hoarseness of the voice and swelling and bruising of the neck: an unusual presentation of thoracic aortic dissection. 1169 20

(1) Clozapine, a neuroleptic known to carry a risk of agranulocytosis, can also induce myocarditis and dilated myocardiopathy. (2) Patients taking clozapine who develop dyspnoea, fatigue, chest pain or collapse should be screened for myocarditis, especially during the first weeks of treatment.
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PMID:Myocarditis due to clozapine. 1171 72

In Singapore, all public emergency ambulances are equipped with semi-automatic external defibrillators and the crew is trained in their use. This is the first paper from Singapore reporting the survival rate in patients presenting to an urban public hospital with acute coronary syndrome (ACS) who developed out-of-hospital cardiac arrest (OHCA). All consecutive patients who presented to the ED of a public hospital with OHCA or ACS were surveyed from 1 April 1999 to 30 September 1999. There were 392 patients among whom 115 (28.5%) had OHCA. There was no significant difference in age and gender distribution between the OHCA and non-OHCA patients. More than 2/3 of the OHCA patients had no report of chest pain or breathlessness before they collapsed. Forty five (39.1%) of the 115 OHCA patients were noted to have initial rhythms of ventricular tachycardia (VT) or ventricular fibrillation (VF) and received pre-hospital defibrillation. The mean time from collapse to first DC shock was 12.07+/-7.2 min. Twenty (17.4%) of the OHCA patients had return of spontaneous circulation after resuscitation in the ED. Four patients (3.5%), all with an initial rhythm of VF were discharged alive from the hospital. Much remains to be done to reduce the time interval to first DC shock for the OHCA group.
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PMID:Out of hospital cardiac arrests--the experience of one hospital in Singapore. 1171 66

Because patients with Swyer-James syndrome have almost always been treated conservatively, few reports exist of pathological findings of the lung in this syndrome. We report a case of this rare disease treated surgically and discuss pathological findings. A 36-year-old woman repeatedly contracted bronchitis and pneumothorax since adolescence, until April 26, 1997, when she reported chest pain and dyspnea. Chest X-ray on admission showed left pulmonary collapse with a slight deviation of the mediastinum toward the right. Chest computed tomography showed an apical bulla and emphysematous change in the left upper lobe. Pulmonary arteriography at age 17 showed hypoplasia of left pulmonary artery branches in the left upper lobe. Based on a diagnosis of Swyer-James syndrome, we conducted left upper lobectomy on May 2, 1997. Pathological examination of the resected left upper lobe showed marked emphysematous change, including an emphysematous bulla with destruction of alveolar structure and peribronchiolar fibrosis. No vascular abnormality was recognized in histology. Emphysematous change secondary to repeated bronchiolitis is believed to have led to her repeated pneumothorax.
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PMID:Surgically treated Swyer-James syndrome. 1175 41

Re-expansion pulmonary oedema is a well-recognized rare complication of the treatment of spontaneous pneumothorax. It has been associated with death in 20% of cases. A fit 20-year-old man who had returned from holiday 2 days previously presented with a large left-sided pneumothorax of 10 days' duration. He had exhibited symptoms of chest pain and shortness of breath during the return flight. He showed no signs of respiratory distress at presentation to the Accident and Emergency Department, but after treatment with a chest tube in the ensuing 90 min developed severe unilateral re-expansion pulmonary oedema and circulatory collapse. Factors in the aetiology of the condition and prevention are considered.
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PMID:Re-expansion pulmonary oedema and circulatory shock in a 20-year-old man. 1278 75


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