A study of clinical profile and etiology of left bundle branch block
Journal Title: MRIMS Journal of Health Sciences - Year 2016, Vol 4, Issue 1
Abstract
Background: Left bundle branch block (LBBB) is a quite common disorder associated with a three to four fold increase in cumulative cardiovascular mortality. Although risk is especially increased for LBBB when accompanied an organic heart disease, it has been reported that mortality is also high in isolated LBBB. Objective: To study clinical profile and etiology of left bundle branch block Methods: The present cross sectional analytical study was carried out among 100 cases of left bundle branch block attending the outpatient department. All cases fulfilling ECG criteria of LBBB were included in the present study. The various criteria for LBBB were QRS duration > 120 msec, broad, notched R waves in lateral precordial leads (V5 and V6) and usually leads I and AVL, Small or absent r waves in right precordial leads (V1 and V2) followed by deep S waves, Absent septal q waves in left sided leads and prolonged intrinsicoid deflection (> 60 msec) in V5 and V6. Results: Mean age in low LVEF group was 56.6+9.92 years and in the normal LVEF group it was 53.27+10.71 years. Males predominated in both the groups. In cases of LBBB with valvular heart disease there was no significant difference between two groups of LVEF Conclusion: Hypertension and ischemic heart disease contributed to maximum cases of LBBB. Patient of LBBB with coronary artery disease and dilated cardiomyopathy have low LVEF while the patients of idiopathic LBBB had normal ejection fraction.
Authors and Affiliations
Sreenivas T, Patro P
Keywords
Related Articles
- EP ID EP422202
- DOI -
- Views 110
- Downloads 0
Study of variations in Lingual and Facial arteries
Background: More of specialized branches of science are developing as year passes by. One such branch of science is in-utero & neonatal surgeries. In view of correcting the minor defects & avoiding major congenital anoma...
Prevalence of tobacco smoking and impact of peer groups on smoking behavior among adolescent students
Background: Tobacco in both smoked and smokeless forms is a major killer world wide. It is responsible for100 million premature deaths in the 20th century, and if the current trends of tobacco use continue, this number i...
Stigma against HIV/AIDS patients, among Nurses from a Private Hospital in South Karnataka
Background: Health care settings are reported to be the most significant contexts for stigma and discrimination of HIV/AIDS in India, which may lead to severe social consequences and also hampers the treatment and diagno...
Knowledge and practice of universal precautions among nursing students at a teaching hospital
Background: Health care Personnel are at higher risk to acquire blood born infections especially nurses who are in continuous contact with the patient during their routine work in health care settings. Needle stick injur...
Role of collagen cross linking in keratoconus
Background: Corneal grafting is associated inherent risks that could result in permanent loss of vision and significantly affect the quality of life. Corneal collagen cross linking is a new technique that can either prev...