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Abstract Blood ga5 ten5ion and acid ba5e balance, electrolyte5 (50dium, pota55ium and chloride) and packed cell volume were determined in 92 healthy came15 which cla55ified according to 5ea50n, 5ex and pregnancy (which explain in Table (3). Venou5 blood 5ample5 were taken from each anima15. The fir5t 5ample wa5 heparinized blood for e5timation of pH, Pco, , P02 ’ Hco; , Tco2 ’ B.E. and P.C.V. All 5ample5 were tak~l anaerobically. Blood ga5e5 mea5urment5 were performed by corning pH blood ga5 analyzer Model 168. Packed cell volume were determined in the5e 5ample5 by Microhaematocrit after Schalm et ~.,(1975). Second 5ample wa5 obtained without anticoagulant agent and u5ed for 5erum 5eparation for determination of 50dium, pota55ium and chloride. Sodium and potas5ium content5 were determined u5ing flame photometer corning 400. Chloride wa5 determined by u5ing chloride meter (Corning Model 925). Mean value5 for male5 in 5ummer and winter for pH Pco - + + 2 ’ P02 ’ Hco3 ’ Tco2, .E., Na ,K ,Cl and P.C.V. were: (7.381 ~ 0.0071 , 7.314 + 0.016) - (59.30 ~ 2.79 mmHg., 52.0 + 0.79 ~Hg.) ( 27.28 + 1.33 mmHg., 27.01 + 1.43 mmHg). (35.061 ~ 1.75 mmol./L. , 26.51 ~ 1.07 mmol./L.) (36.82 ~ 1.84 mmol./L. , 28.21 ~ 1.05 mmol./L.) (8.178 + 1.43 mmol./L. , -0.24 ~ 1.2 mmol./L.), (162.09 ~ 2.32 mmol./L. , 162.2 ~ 1.08 mmol./L.) (5.732 ~ 0.17 mmol./L. , 4.85 + 0.11 mmol./L.) (107.04 ~ 2.9 mmol./L. , 111.3 + 2.3 mmo1./L.)(28.7 + 0.7% , 28.3 ~ 1.25%) respectively. Mean values of previously parameters for pregnant and non pregnant females in summer season were (7.362 ~ 0.013, 7.390 + 0.0075) - (52.34 ~ 3.832 mmHg , 56.58 ~ 2.63 mmHg) (30.4 + 1.8 mmHg, 27.9 + 1.28 mmHg) - (28.98 ~ 1.25 mmol./L., 33.96 + 1.89 mmo1./L.) - (30.52 ~ 1.31 mmo1./L. , 35.8 ~ 1.96 mmol./L.) - (2.76 + 0.78 mmo1./L. , 7.64 ~ 1.58 mmo1./L.) (167.4 ~ 1.75 mmol./L. , 165.61 + 2.09 mmol./L.) - (5.39 + 0.37 mmol./L. , 5.79 ~ 0.16 mmol./L. (103 ± 2.5 mmol./L., 103.5 ~ 3.3 mmol./L.) - (29.2 ~ 0.8%, 26.3 ~ 0.74%) respectively. Mean values for pregnant and non pregnant females in winter for previously mentioned parameters were: (7.345 ~ 0.016, 7.310 + 0.103) - (47.77 ~ 1.75 mmHg & 49.98 + 0.63 mmHg) - (”9.92 ~ 0.7 mmo1./L .• 27.0 ~ 0.72 mmo1./L.) _ (25.30 ~ 0.9 mmol./L. , 25.05 + 0.7 mmol./L.) - (26.8 + 0.9 mmol./L. , 26.6 ~ 0.79 mmol./L.) - (-0.8 ~ 0.8 mmol./L, - 1.5 + 0.83 mmo1./L.) - {163.6 + 1.3 + mmo1./L. , 164.5 + 0.51 mmol./L.) - (4.83 + 0.06 mmol./L. , 5.4 ~ 0.103 mmol./L.) (111.3 + 1.13 mmo1./L. , 106.6 + 1.44 mmo1./L.) -(27.86 + 1.7 % .28.7 + 0.81 %) respect LveLy , TI,e re~ult~ ~how that difference~ between female~ non pregnant in ~ummer and one~ in winter revealed ~ignificant in pota~~ium and packed cell volume at (P~ 0.05) and on pH , Pc02 ’ Hco; , Tc02 ’ B.E. at ( PL 0.01) and non ~ignificant at (P~0.05) in P02 ’ ~odium and Chloride. Difference~ between pregnant in ~ummer from one~ in winter were non ~ignificant except in Hcc , Tc02 ’ B.E. and Cl at (PLO.05). Difference~ between females pregnant and non pregnant ones in summer were non sLqnI ficant ( P ~ 0.05) and also difference~ between them in winter non significant except in potassium at ( p~ 0.01). Also results show that non significant differences between males and fe.ale~ in ~ummer and also between males and females in winter except for the potassium in winter at (P~ 0.05). Differences between males in summer from ones in winter were significant at (P~ 0.01) only in pH, Hco; , Tc02 ’ 8.E. and 1<+. Differences between males and females in summer from ones in winter were highly significant at ( p~ 0.01) in pH, ’ B.E. and K+ and non significant for PoZ ’ Na + ,Cl - and P.C.V. at (P~0.05). Finally are notes that season was the factor playing a role on blood gas values and acid base balance amo~g males and females in summer than in winter. Sex showed no effect on acid base balance. Pre gnan cy did not influencerlobt a Ine d data. Oifferences were obtained between females non pregnant in summer from ones in winter. Differences were also noticed between males in summer from ones in winter. |