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January 1, 2014Medicinski casopisOpen Access

ST segment elevation in aVR ≥ 1 mm during acute coronary events may indicate occlusion of the left main coronary artery, occlusion of proximal RIA, or severe three-vessel disease.

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Why the study?

Does ST segment elevation in the aVR lead indicate specific coronary occlusions in patients with acute coronary events?

Population

Patients with acute coronary events

Design

Review

Authors

IIIgor IvanovMJMilana JarakovićJDJadranka Dejanović

Discussion

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Overview

May warrant heightened suspicion for high-risk anatomy in ACS; leaves open prospective validation of management impact.

Structured PICO

Does ST segment elevation in the aVR lead indicate specific coronary occlusions in patients with acute coronary events?

P
Population
Patients with acute coronary events
I
Intervention
Electrocardiogram interpretation focusing on the aVR lead (specifically ST segment elevation ≥ 1 mm)
O
Outcome
Diagnosis of left main coronary artery occlusion, proximal RIA occlusion, or severe three-vessel disease

The aVR lead on ECG provides important diagnostic and prognostic information in acute coronary events, specifically for identifying left main or severe multi-vessel disease.

Cite This Study

Ivanov et al. (2014) studied this question.

synapsesocial.com/papers/6a7181f08031ec7bb1dd0052https://doi.org/10.5937/mckg48-4068
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Clinical Utility of aVR—The Neglected Electrocardiographic Lead2010 · 36 citations
  2. 2Utility of Lead aVR for Identifying the Culprit Lesion in Acute Myocardial Infarction2009 · 31 citations
  3. 3Clinical Value of Lead aVR2011 · 19 citations
  4. 4Prognostic Value of Lead aVR in Patients With a First Non–ST-Segment Elevation Acute Myocardial Infarction2003 · 176 citations
  5. 5Diagnostic value of ST-segment elevation in lead aVR exceeding V1 for identifying significant left main coronary artery disease in acute coronary syndrome2026 · 1 citations