• Users Online: 263
  • Home
  • Print this page
  • Email this page
Home About us Editorial board Ahead of print Current issue Search Archives Submit article Instructions Subscribe Contacts Login 
Year : 2019  |  Volume : 8  |  Issue : 2  |  Page : 71-79

QT interval – Its measurement and clinical significance

Department of Cardiology, Mittal Hospital and Research Centre, Ajmer, Rajasthan, India

Correspondence Address:
Sita Ram Mittal
Xi/101, Brahmpuri, Ajmer - 305 001, Rajasthan
Login to access the Email id

Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JCPC.JCPC_44_18

Rights and Permissions

QT interval extends from the beginning of QRS complex to the end of T wave. Thus, it includes the duration of ventricular depolarization (QRS) and repolarization (J point to end of T wave). It corresponds to the duration of cellular action potential. “long-” and “short”-QT intervals are considered as risk markers for cardiac arrhythmias and sudden death. In the last decade, there have been significant advances in our understanding about measurement and significance of QT interval. We have made an attempt to review the literature to find the limitations and queries surrounding the present status of measurement of QT interval and its significance as a risk marker for cardiac arrhythmias and sudden death.

Print this article     Email this article
 Next article
 Previous article
 Table of Contents

 Similar in PUBMED
   Search Pubmed for
   Search in Google Scholar for
 Related articles
 Citation Manager
 Access Statistics
 Reader Comments
 Email Alert *
 Add to My List *
 * Requires registration (Free)

 Article Access Statistics
    PDF Downloaded818    
    Comments [Add]    
    Cited by others 3    

Recommend this journal