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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Revision as of 15:36, 20 May 2007
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) in the chest leads.
Possibe causes of microvoltations:
- Cardiomyopathy, especially infiltrative cardiomyopathy, such as in amyloidosis
- Fysiek verhoogde weerstand tot de electrodes: pneumothorax, obesitas, pericardvocht / tamponade, pleuravocht
- Myocarditis / pericarditis
- Harttransplantatie, met name bij acute of chronsiche rejectie
- Foute instelling van het ECG apparaat (gevoeligheid niet goed ingesteld op bijvoorbeeld 5 mm/mV)