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BACKGROUND Thyroid hormone is known to regulate metabolisms which are an integral part of normal growth and development. It affects key metabolisms involved in energy storage and expenditure. We wanted to study the correlation of thyroid function test with metabolic markers. METHODS After appropriate clearance from Human Institutional Ethics Committee and proper permission from author of article by Dr Sindhu et al, the secondary, blinded data was adopted for this study. This is an observational, cross-sectional retrospective study. Anthropometric measurements were taken, and lipid and thyroid profile were analysed in overnight fasting sample. As per our inclusion and exclusion criteria 120 of 253 subjects included in primary study were recruited in our study. Statistical analysis was done in Microsoft Excel 2007 and SPSS software version 16.0. ATP III criteria were used as a benchmark for metabolic syndrome markers. RESULTS Our study suggests that prevalence of subclinical hypothyroidism was higher in young South Indian women and it significantly correlated with the markers of metabolic syndrome like BMI, waist circumference, Low Density Lipoprotein (LDL) and systolic blood pressure. TSH values strongly correlated with BMI and LDL values. FT4 values correlated well with LDL. CONCLUSIONS High TSH and lower thyroxine values in blood can be a marker associated with metabolic syndrome. Our study suggests routine screening for thyroid status and lipid profile in young females to categorize them as high risk for cardiovascular mortality and morbidity along with anthropometric measurements. The study can be continued by long term follow up of the study subjects and correlation of these study subjects into mid or old age can give significant information of their cardiac status at that age. Counseling on appropriate diet and lifestyle modification may be beneficial for young people categorized as high risk to reduce the cardiovascular mortality later in life. KEYWORDS Thyroid Stimulating Hormone, Free Thyroxine, BMI, Lipid Profile

Introduction: Organophosphorus poisoning (OPP) is one of the common medical emergencies among rural population in India due to suicide attempts. The purpose of this study was to investigate the relationship between the initial emergency laboratory parameters (electrolytes, liver function test, random blood glucose (RBS), renal function test, Hb, RBC and WBC) and severity of organophosphate poisoning based on Bardin's Classification and type of OP compound consumed in patients admitted to emergency department with OPP. Materials and Methods: A retrospective observational study was done in OPP patients admitted to emergency medicine department. Based on Bardin's classification all OPP cases were classified into 3 Grades of severity of poisoning. [1][2][3] Hematological and biochemical parameters were compared based on this severity of poisoning. Results: With random sampling of 45 patients, 19 male and 26 female patients aged between 25-35 years, admitted with OPP were included in the study. The severity of poisoning was worst in females. The pseudocholinesterase, potassium and creatinine levels were significantly low in patients of grade 3 than grade 1 and grade 2 (p <0.05, 0.05 and 0.02 respectively) poisoning. Liver enzymes (AST, ALT and ALP) were elevated in Grade 3 poisoning patients much higher than Grade 1 and Grade 2 (p value 0.004, 0.002 and 0.06 respectively). Hyperglycemia was significantly observed in Grade 3 poisoning patients at the time of admission. (p value 0.03). There was significant hypokalemia (0.02), low RBC counts (0.02) and pseudocholinesterase levels (p value 0.01) in patients who had consumed chlorpyriphos and phorate. Conclusion: Emergency laboratory parameters in acute oraganophosphorus poisoning reflect the need for basic diagnostic facility in rural area. Laboratory parameters can also serve as possible predictive markers for severe outcomes and prognosis in OP poisoning. The knowledge of type of OP compound consumed can predict the severity of OP intoxication and need for emergency intervention.