lead I
E819343
Lead I is a standard limb electrocardiogram (ECG) lead that records the heart’s electrical activity between the right and left arms.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Lead I | 0 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
bipolar limb lead
ⓘ
electrocardiogram lead ⓘ standard limb lead ⓘ |
| belongsToSystem | Einthoven limb leads NERFINISHED ⓘ |
| canBeDerivedFrom | Einthoven triangle NERFINISHED ⓘ |
| hasEinthovenNumber | I ⓘ |
| hasNegativeElectrode | right arm ⓘ |
| hasPositiveElectrode | left arm ⓘ |
| hasTypicalWaveforms |
P wave
ⓘ
QRS complex ⓘ T wave ⓘ |
| isAffectedBy |
limb electrode placement
ⓘ
skin‑electrode contact quality ⓘ |
| isBipolar | true ⓘ |
| isCommonlyDisplayedAs | top limb lead on ECG printout ⓘ |
| isNamedAfter | Einthoven lead system NERFINISHED ⓘ |
| isOftenMonitoredIn |
intensive care units
ⓘ
operating rooms ⓘ telemetry units ⓘ |
| isOrientedApproximately | 0 degrees in frontal plane ⓘ |
| isPartOf |
12‑lead ECG
ⓘ
3‑lead ECG ⓘ 5‑lead ECG ⓘ |
| isRecordedIn | frontal plane ⓘ |
| isSensitiveTo | left lateral wall electrical activity ⓘ |
| isStandardizedBy | international ECG conventions NERFINISHED ⓘ |
| isStandardLimbLead | true ⓘ |
| isUnipolar | false ⓘ |
| isUsedFor |
arrhythmia monitoring
ⓘ
axis determination ⓘ cardiac rhythm assessment ⓘ ischemia detection ⓘ |
| isUsedIn |
ambulatory ECG monitoring
ⓘ
continuous bedside monitoring ⓘ exercise stress testing ⓘ preoperative assessment ⓘ |
| isUsedToAssess |
P wave morphology
ⓘ
QRS duration ⓘ ST segment changes ⓘ T wave abnormalities ⓘ |
| isUsedToEstimate | frontal plane QRS axis ⓘ |
| measuresPotentialDifferenceBetween |
left arm electrode
ⓘ
right arm electrode ⓘ |
| recordsElectricalActivityBetween |
left arm
ⓘ
right arm ⓘ |
| requiresElectrodesOn |
left arm
ⓘ
right arm ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.