Vertical P-wave axis: the electrocardiographic synonym for pulmonary emphysema and its severity.

Indian Heart Journal
Lovely ChhabraDavid H Spodick

Abstract

The correlation between vertical P-wave axis (P-axis > 60°) and pulmonary emphysema was investigated on a very large controlled series to see if P-axis verticalisation as lone criterion can be effectively used to screen emphysema in general population. Correlation between degrees of P-axis verticalisation and the severity of the obstructive lung disease (as per global initiative for chronic obstructive lung disease [GOLD] criteria) was also studied to see if this criterion can be used for gross quantification of the chronic obstructive pulmonary disease (COPD) in routine clinical practice. Around 6500 unselected, routine electrocardiograms (ECGs) were reviewed which yielded 600 ECGs with vertical P-axis in sinus rhythm. 635 ECGs from the same continuum were selected with P-axis ≤60° matched for patient's age and sex serving as controls. Charts were reviewed for the diagnosis of COPD and emphysema based on medical history, pulmonary function tests, and imaging studies. Prevalence of emphysema in patients with vertical P-axis was strikingly higher than in the control group: 85% vs 4.4%. The sensitivity and specificity of vertical P-axis for diagnosing emphysema was 94.76% and 86.47%, respectively. Vertical P-axis and forced expir...Continue Reading

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Feb 11, 2011·The American Journal of Cardiology·Anish J ThomasDavid H Spodick
Sep 13, 2011·Journal of Electrocardiology·Lovely Chhabra, David H Spodick

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Citations

Feb 5, 2013·International Journal of Chronic Obstructive Pulmonary Disease·Rishi BajajDavid H Spodick
May 22, 2013·International Journal of Chronic Obstructive Pulmonary Disease·Lovely ChhabraDavid H Spodick
Dec 3, 2013·International Journal of Chronic Obstructive Pulmonary Disease·Swapnil S LanjewarDavid H Spodick
Dec 24, 2013·Journal of Electrocardiology·Michelle L SnyderGerardo Heiss
Jul 29, 2015·International Journal of Cardiology·Christos A GoudisPanagiotis Korantzopoulos
Sep 24, 2015·International Journal of Cardiology·Goudis A Christos
Aug 25, 2015·International Journal of Cardiology·N Gurukripa Kowlgi, Lovely Chhabra
Apr 12, 2014·BioMed Research International·Cheryl R Laratta, Stephan van Eeden
May 15, 2016·Heart & Lung : the Journal of Critical Care·Atsushi IchikawaTetsuro Sugiura
Oct 4, 2017·European Journal of Preventive Cardiology·Davide LazzeroniPaolo Coruzzi
Nov 21, 2013·Experimental and Therapeutic Medicine·Guo-Zhe SunYing-Xian Sun
Mar 29, 2019·Respiratory Research·Peter AlterRudolf A Jörres

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