myocardial perfusion spect imaging with tc99m-sestamibi is the most accurate non-invasive means of detecting coronary artery disease and assessing the severity of perfusion abnormalities in the patients with coronary stenosis. though simple and straight forward the results produced by the technique is very much affected by the details being used. one of the main problems with the test, which ha...

amyloidosis is characterized by an abnormal extracellular deposition of amyloid in different organs, where it usually causes some type of dysfunction. its cause is unknown. five different types of amyloidosis have been described according to the underlying disease; immunoglobulin amyloidosis, familial amyloidosis, senile systemic amyloidosis, secondary amyloidosis and hemodialysis-associated am...

background: epidemiological studies have illustrated that exposure to atmospheric nitrogen oxides (no2/nox) is responsible for an increased risk of acute or chronic diseases such as cancer. in this study the health risks associated with nitrogen dioxide (no2) were assessed in the city of kermanshah, the capital of kermanshah province, iran. methods: data on hourly no2 levels that had been measu...

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background and objectives: gingival and periodontal diseases are associated with specific bacterial infections. the main aim of the study was to know whether the periodontitis is associated with an increased risk for acute myocardial infarction (ami) and to know the distribution of porphyromonas gingivalis in patients with acute myocardial infarction associated with chronic periodontitis and ac...

transient ischemic left ventricular dilation (tid) is a marker of severe and extensive coronary artery disease as well as an increased risk of adverse outcomes. the patients with more severe and extensive ischemia, multivessel-type of perfusion abnormality as well as patients with left anterior descending artery (lad) territory perfusion abnormality have more probability of having tid. evaluati...

according to the importance of positron emitters in nuclear medicine, 82mrb was produced as a member of this group of radiopharmaceuticals. after being converted into an injectable form, enough information was provided for imaging with this radiopharmaceutical. 82mrb with high radioisotopic purity and half-life of 6.5 hours, in chloride form, can be considered as a suitable positron emitter for...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: ischemic heart diseases are the most common cardiovascular diseases. this study aimed to assess the effects of video training about risk factors based on health belief model on knowledge and attitude of myocardial infarction patients after discharge. methods: this was a quasi-experimental study conducted in 201...

conclusions lithium intoxication should be considered in the differential diagnosis, especially in elderly patients on lithium therapy who are admitted to the emergency department with chest pain. case presentation a 62-year-old woman was admitted to the emergency department due to weakness and acute chest pain. her ecg revealed st elevation in leads di, avl and v5-6, with a ventricular rate of...