Site of Heart Block in Acute Myocardial Infarction
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...The site of block in inferior infarction is above the His bundle in about 90% of patients, whereas in anterior infarction, the conduction abnormality is usually localized below the His bundle in the distal conducting system.(187) In the LAC-USCMC series, of the 79 patients with AV block who did not have BBB, 60 (76%) had an inferior infarction, 14 (18%) an anterior infarction, and 5 (6%) a combined infarction (Table 14-6)....
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Cites background or methods from "Site of Heart Block in Acute Myocar..."
...Similarly, it was recendy shown for rat polymorphonuelear leukocytes that ectophosphatases do not participate in cyanide- and 2-deoxy-glucose-induced catabolism of intracellular AMP [73, 74]....
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...In addition to purinergie nerves, evidenee has been presented in mo re reeent years for the eoexistenee of ATP with the classieal neurotransmitters aeetylcholine (Ach) and norepinephrine (NE) in sympathetie and parasympathetie autonomie nerve terminals and in the motor end-plate of skeletaI muscle, and for its release during nerve aetivation [65-74]....
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...A similar conelusion was recently drawn from experiments on polymorphonuelear leukocytes, using inhibitors of adenosine kinase and adenosine deaminase [74]....
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References
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