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Technical Problems: Difference between revisions
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* '''Arm - foot switches''' lead to a very small or 'far field' signal in leads II or III. | * '''Arm - foot switches''' lead to a very small or 'far field' signal in leads II or III. | ||
* '''Chest lead reversal''' lead to inappropiate R wave progression (increase - decrease - increase) and are often easily recognized. | * '''Chest lead reversal''' lead to inappropiate R wave progression (increase - decrease - increase) and are often easily recognized. | ||
Therefore '''any right axis or small signal in an extremity lead''' should be reason enough to check lead positioning. A previous ECG can be very helpful. | |||
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<gallery> | <gallery> | ||