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Minerva Pneumologica 1999 March;38(1):11-6

Copyright © 1999 EDIZIONI MINERVA MEDICA

language: Italian

A comparison between electrocardiography and echocardiography in patients with chronic obstructive lung disease

Arcidiacono G., Laurenti A., Privitelli L., Conticello A., Gurgone G., Cataldo T., Saccone C., Di Mauro M.


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Background. In this study, the correlation between echographic indicators and ECG in patients with chronic obstructive lung disease was evalueted.
Methods. 58 patients, 38 males and 20 females, avarage age 64 ± 4.8 years were selected: 66% with obstructive pathology and 34% with limitative secondary pathology of interstitial fibrosis. A comparison was made of axis and amplitude of the P wave in D2 and V1, axls and duration of the QRS, amplitude of the R waves, S in D1-D2-D3-V1 and V6, voltage of the R wave and the ration R/S in V1 with the echocardiographic indicators RVDd, RAD, DAP and PEP, EDRV, ETE, PAPs. The statistical analysis of the results has been conducted by using the x2 test.
Results. A significative correlation between the RAD and the amplitude of the P in V1 and between the RVDd and the amplitude of the S ub D1 (p<0.05) has been noticed. The 65% of the patients with limitative pathology has a horizontal direction of P compared to the 72% of the patients with obstructive pathology, whom have a vertical direction of P (p<0.001). Similarly, in the 68% of patients with limitative pathology the QRS has an intermediate direction, while the 64% of patients with obstructive pathology has a vertical direction (p<0.001).
Conclusions. The two instrumental methodologies used for the non invasive study of the VD do not match each other and the axial direction of P and QRS directs the differential diagnosis of the BPC.

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