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Lateral MI Explains the Presence of Prominent R Wave (R ≥ S) in V1.

Publication ,  Journal Article
Goldwasser, D; Senthilkumar, A; Bayés de Luna, A; Elosua, R; Carreras, F; Pons-Llado, G; Kim, RJ
Published in: Ann Noninvasive Electrocardiol
November 2015

AIMS: It is necessary to clarify if the presence of a prominent R wave in V1, in post-myocardial infarction (MI) patients, is due to the involvement of the posterior wall (currently inferobasal segment) or the lateral wall (as has been demonstrated recently by electrocardiographic contrast-enhanced cardiac magnetic resonance [ECG-CE-CMR] correlations studies). METHODS: In 155 patients with inferolateral zone MI, as detected by CE-CMR, the following ECG parameters were evaluated and correlated with MI location according to CE-CMR: R/S ratio in V1 ≥ 1 (classic criteria for posterior MI), R/S ratio in V1 ≥ 0.5, and R in V1 ≥ 3 mm. RESULTS: R/S ≥ 1 criterion: Present in 20 cases: 3 of lateral MI, 17 of inferolateral MI, 0 of inferior MI. Absent in 135 cases, 81 of lateral/inferolateral MI (28/53), 54 of inferior MI (SE 19.8%, SP 100%). R/S ≥ 0.5 criterion: Present in 47 cases: 6 of lateral MI, 39 of inferolateral MI, 2 of inferior MI. Absent in 108 cases, 56 of lateral/inferolateral MI (25/31), 52 of inferior MI (SE 44.6%, SP 96.4%). R ≥ 3 mm criterion: Present in 30 cases: 5 of IM lateral, 23 of inferolateral MI, 2 of inferior MI. Absent in 125 cases, 73 lateral/inferolateral MI (26/47), 52 inferior MI (SE 27.7%, SP 96.4%). CONCLUSIONS: The presence of prominent the R wave in V1 is due to the lateral MI and not to the involvement of inferobasal segment of inferior wall (old posterior wall).

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Published In

Ann Noninvasive Electrocardiol

DOI

EISSN

1542-474X

Publication Date

November 2015

Volume

20

Issue

6

Start / End Page

570 / 577

Location

United States

Related Subject Headings

  • Myocardium
  • Myocardial Infarction
  • Middle Aged
  • Male
  • Humans
  • Female
  • Electrocardiography
  • Double-Blind Method
  • Cardiovascular System & Hematology
  • Aged
 

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ICMJE
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Goldwasser, D., Senthilkumar, A., Bayés de Luna, A., Elosua, R., Carreras, F., Pons-Llado, G., & Kim, R. J. (2015). Lateral MI Explains the Presence of Prominent R Wave (R ≥ S) in V1. Ann Noninvasive Electrocardiol, 20(6), 570–577. https://doi.org/10.1111/anec.12260
Goldwasser, Diego, Annamalai Senthilkumar, Antonio Bayés de Luna, Roberto Elosua, Francesc Carreras, Guillem Pons-Llado, and Raymond J. Kim. “Lateral MI Explains the Presence of Prominent R Wave (R ≥ S) in V1.Ann Noninvasive Electrocardiol 20, no. 6 (November 2015): 570–77. https://doi.org/10.1111/anec.12260.
Goldwasser D, Senthilkumar A, Bayés de Luna A, Elosua R, Carreras F, Pons-Llado G, et al. Lateral MI Explains the Presence of Prominent R Wave (R ≥ S) in V1. Ann Noninvasive Electrocardiol. 2015 Nov;20(6):570–7.
Goldwasser, Diego, et al. “Lateral MI Explains the Presence of Prominent R Wave (R ≥ S) in V1.Ann Noninvasive Electrocardiol, vol. 20, no. 6, Nov. 2015, pp. 570–77. Pubmed, doi:10.1111/anec.12260.
Goldwasser D, Senthilkumar A, Bayés de Luna A, Elosua R, Carreras F, Pons-Llado G, Kim RJ. Lateral MI Explains the Presence of Prominent R Wave (R ≥ S) in V1. Ann Noninvasive Electrocardiol. 2015 Nov;20(6):570–577.
Journal cover image

Published In

Ann Noninvasive Electrocardiol

DOI

EISSN

1542-474X

Publication Date

November 2015

Volume

20

Issue

6

Start / End Page

570 / 577

Location

United States

Related Subject Headings

  • Myocardium
  • Myocardial Infarction
  • Middle Aged
  • Male
  • Humans
  • Female
  • Electrocardiography
  • Double-Blind Method
  • Cardiovascular System & Hematology
  • Aged