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Microvoltations: Difference between revisions
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m (New page: ===Microvoltations=== ;microvoltations: The QRS amplitute (i.e. the sum of the postive and negative parts) in the limb leads does not exceed 0.5 mV (5 mm) OR is no more than 1.0 mV (1 cm) ...) |
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Possibe causes of microvoltations: | Possibe causes of microvoltations: | ||
* Cardiomyopathy, especially infiltrative cardiomyopathy, such as in [[w:Amyloidosis|amyloidosis]] | * Cardiomyopathy, especially infiltrative cardiomyopathy, such as in [[w:Amyloidosis|amyloidosis]] | ||
* | * Increased resistance between the heart and the electrodes: pneumothorax, obesesity, pericardial fluid / tamponade, pleural effusion | ||
* [[ | * [[Miscellaneous#Myocarditis|Myocarditis]] / [[Miscellaneous#Pericarditis|pericarditis]] | ||
* | * Heart tranplantation, especially during acute or chronic rejection | ||
* | * Wrong settings on the ECG apparatus (sensitivity should be at 10 mm/mV) | ||