What EKG finding would indicate a patient is a candidate for thrombolytic therapy after experiencing chest pain?

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The identification of ST-segment elevation of at least 1 mm in contiguous leads is a critical EKG finding that suggests a patient may be experiencing an ST-Elevation Myocardial Infarction (STEMI). In the context of thrombolytic therapy, this finding is significant because it indicates the presence of significant myocardial ischemia due to occlusion of a coronary artery.

Thrombolytic therapy aims to dissolve the blood clot obstructing the artery, restoring blood flow to the heart muscle and minimizing damage. The specific criterion of ST-segment elevation in contiguous leads helps confirm that the elevation is likely due to a blockage affecting particular segments of the heart. This allows for targeted treatment that can lead to better outcomes for the patient experiencing an acute coronary event.

In contrast, other EKG findings mentioned do not provide the same indication for thrombolytic therapy. Atrial fibrillation with a rapid ventricular response can complicate the management of a patient but does not specifically indicate a need for thrombolytic therapy. ST-segment depression could suggest myocardial ischemia, but it is more often indicative of unstable angina rather than a STEMI, therefore not meeting the criteria for thrombolytics. Ventricular tachycardia indicates a potentially life

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