CARDIORESPIRATORY CHANGES IN SMOKERSS. S. KARADKHEDKAR, S. T. KHAN, AFROZ SAYEEDA, S. S. JADHAV, AND V. B. DUDHAMALAbstract In this study 25 smokers and 25 nonsmokers were studied. Following parameters were studied, breath holding time (BHT), Pulse rate in resting and during breath holding, B.P E.C.G.hanges and peak expiratory flow rate. (PEFR) were recorded. BHT in nonsmokers was 38.28 ± 5.11 .6z in smokers 28.62 ± 6.67. Thus B.H.T. was significantly reduced in smokers. PEFR in resting conditon in nonsmokers and smokers was 390.40 ± 32.33 & 268.46 + 62.59 respectively. This decrease is highly significant. Systolic BP in nonsmokers and smokers was 117.08 4- 6.9 and 120.32 + 5.99 respectively. Thus slight increase is observed in smokers. Mean diastolic B.P. in nonsmokers and smokers was 78.64 ± 5.44 and 79.28 ± 5.94 respectively. Thus diastolic B.P. also shows slight increase in smokers than nonsmokers. Means pulse rate in nonsmokers and smokers was 75.41 + 4.73 and 76.36 ± 4.92 respectively. Thus light increase in pulse rate in smokers is observed. Mean pulse rate during B.H.T. in nonsmokers and smokers was 77.92 ± 4.46 and 80.88 + 4.36. Thus significant increase in pulse rate during B.H.T. in smokers. E.C.G. shows no change. The results obtained shows significant reduction in values of B.H.T. and PEFR in smokers. Also there is significant increase in pulse rate which was taken during B.H.T, in smokers than nonsmokers.
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