Generated by All in One SEO v4.9.10, this is an llms.txt file, used by LLMs to index the site. # Acha Waqat ## Sitemaps - [XML Sitemap](https://achawaqat.com/sitemap.xml): Contains all public & indexable URLs for this website. ## Posts - [Blog](https://achawaqat.com/blog/) - [Maintenance Fluid Calculation Using the 4-2-1 Rule](https://achawaqat.com/maintenance-fluid-calculation-4-2-1-rule/) - Learn how to calculate hourly maintenance IV fluids using the 4-2-1 rule, with formulas, worked examples, clinical cautions, and limitations. - [Pediatric Medication Dose Calculation: A Safety-Focused Guide](https://achawaqat.com/pediatric-medication-dose-calculation-safety-guide/) - Learn how pediatric medication doses are calculated by weight, converted into liquid volumes, checked against limits, and administered more safely. - [How to Calculate Number Needed to Treat and Number Needed to Harm](https://achawaqat.com/how-to-calculate-number-needed-to-treat-and-number-needed-to-harm/) - Learn how to calculate NNT and NNH from event rates, interpret the results, avoid common errors, and compare treatment benefits with potential harms. - [Relative Risk vs Odds Ratio: Differences and Examples](https://achawaqat.com/relative-risk-vs-odds-ratio-differences-examples/) - Learn how relative risk and odds ratio differ, how to calculate each from a 2×2 table, and when each measure is appropriate in medical research. - [How to Calculate Sensitivity, Specificity, PPV, and NPV](https://achawaqat.com/how-to-calculate-sensitivity-specificity-ppv-npv/) - Learn how to calculate sensitivity, specificity, PPV, and NPV from a 2 × 2 table, with formulas, a worked example, and interpretation tips. - [Confidence Intervals Explained for Medical Research](https://achawaqat.com/confidence-intervals-explained-medical-research/) - Learn how confidence intervals quantify precision, support clinical interpretation, and improve the reporting of medical research findings. - [P Values Explained: Meaning, Misuse, and Limitations](https://achawaqat.com/p-values-explained-meaning-misuse-limitations/) - Learn what p values mean, what they cannot prove, common misinterpretations, and how to report them alongside effect sizes and confidence intervals. - [How to Calculate Sample Size for a Clinical Study](https://achawaqat.com/how-to-calculate-sample-size-for-a-clinical-study/) - Learn how to calculate sample size for clinical studies using effect size, power, significance level, variability, expected events, and dropout rates. - [CURB-65 Score Explained for Pneumonia Severity](https://achawaqat.com/curb-65-score-pneumonia-severity/) - Learn how the CURB-65 score assesses pneumonia severity, how each criterion is calculated, and why clinical judgment remains essential. - [Centor Score Explained for Strep Throat Assessment](https://achawaqat.com/centor-score-explained-for-strep-throat-assessment/) - Learn how the Centor score estimates the likelihood of streptococcal pharyngitis, guides testing, and supports responsible antibiotic use. - [TIMI Risk Score for Unstable Angina and NSTEMI](https://achawaqat.com/timi-risk-score-unstable-angina-nstemi/) - Learn how the TIMI risk score estimates 14-day cardiac risk in unstable angina and NSTEMI, including criteria, interpretation, uses, and limits. - [APGAR Score Explained: Newborn Assessment and Interpretation](https://achawaqat.com/apgar-score-newborn-assessment-interpretation/) - Learn how the APGAR score assesses a newborn at 1 and 5 minutes, how each component is scored, what the results mean, and its key limitations. - [Bishop Score Explained: Assessing Readiness for Labor Induction](https://achawaqat.com/bishop-score-explained-assessing-readiness-for-labor-induction/) - Learn how the Bishop score assesses cervical readiness for labor induction, how it is calculated, and why clinical context still matters. - [PHQ-9 Depression Test: Scoring and Interpretation](https://achawaqat.com/phq-9-depression-test-scoring-interpretation/) - Learn how the PHQ-9 depression test is scored, what each severity range means, and why clinical assessment remains essential for interpretation. - [GAD-7 Anxiety Test: Scoring and Interpretation](https://achawaqat.com/gad-7-anxiety-test-scoring-interpretation/) - Learn how the GAD-7 anxiety test is scored, what each severity range means, its clinical limitations, and when professional assessment is appropriate. - [BMI Calculator: Formula, Categories, and Limitations](https://achawaqat.com/bmi-calculator-formula-categories-limitations/) - Learn how BMI is calculated, understand adult weight categories, review worked examples, and recognise when BMI may give a misleading result. - [Waist-to-Height Ratio: Calculation and Health Interpretation](https://achawaqat.com/waist-to-height-ratio-calculation-health-interpretation/) - Learn how to calculate waist-to-height ratio, measure your waist correctly, interpret common ranges, and understand this screening tool’s limits. - [Ideal Body Weight: Formulas, Uses, and Limitations](https://achawaqat.com/ideal-body-weight-formulas-uses-limitations/) - Learn how ideal body weight is calculated using common formulas, where clinicians use it, and why it should not be treated as a personal target weight. - [MELD Score Explained: Assessing Liver Disease Severity](https://achawaqat.com/meld-score-explained-assessing-liver-disease-severity/) - Learn how the MELD score estimates short-term mortality in advanced liver disease and supports liver transplant prioritization and clinical decisions. - [Glasgow Coma Scale: Scoring and Interpretation](https://achawaqat.com/glasgow-coma-scale-scoring-interpretation/) - Learn how the Glasgow Coma Scale scores eye, verbal, and motor responses, how totals are interpreted, and which limitations affect clinical use. - [Wells Score for Pulmonary Embolism Explained](https://achawaqat.com/wells-score-for-pulmonary-embolism-explained/) - Learn how the Wells score estimates pulmonary embolism probability, how each criterion is scored, and how results guide D-dimer testing and imaging. - [PERC Rule Explained: When It Is Used and Its Limitations](https://achawaqat.com/perc-rule-explained-when-used-limitations/) - Learn how the PERC rule identifies very-low-risk patients who may not need pulmonary embolism testing, including its criteria and limitations. - [Serum Osmolality Calculator: Formula, Uses, and Limitations](https://achawaqat.com/serum-osmolality-calculator-formula-uses-limitations/) - Calculate estimated serum osmolality from sodium, glucose, and BUN, then learn how clinicians interpret results, osmolal gaps, and limitations. - [Body Surface Area Calculator: Mosteller Formula Explained](https://achawaqat.com/body-surface-area-calculator-mosteller-formula/) - Calculate body surface area using the Mosteller formula and learn how BSA is applied, interpreted, and limited in clinical practice. - [QTc Interval Explained: Formulas and Clinical Interpretation](https://achawaqat.com/qtc-interval-explained-formulas-clinical-interpretation/) - Learn how the QTc interval is measured, which correction formulas are used, how results are interpreted, and why the clinical context matters. - [Corrected Calcium Calculator: Formula, Uses, and Limitations](https://achawaqat.com/corrected-calcium-calculator-formula-uses-limitations/) - Learn how corrected calcium is calculated, when it may be useful, why results can be misleading, and when ionized calcium is the better test. - [CHA2DS2-VASc Score Explained for Atrial Fibrillation](https://achawaqat.com/cha2ds2-vasc-score-explained-atrial-fibrillation/) - Learn how the CHA2DS2-VASc score estimates stroke risk in atrial fibrillation, how points are assigned, and how results guide anticoagulation decisions. - [How to Calculate Creatinine Clearance Using the Cockcroft-Gault Equation](https://achawaqat.com/calculate-creatinine-clearance-cockcroft-gault-equation/) - Learn how to calculate creatinine clearance with the Cockcroft-Gault equation, choose appropriate inputs, interpret results, and avoid common errors. - [How to Calculate ASCVD Risk and Interpret the Results](https://achawaqat.com/how-to-calculate-ascvd-risk-and-interpret-results/) - Learn how to calculate ASCVD risk, understand each risk category, and use the result with clinical factors to guide cardiovascular prevention. ## Pages - [Home](https://achawaqat.com/) - Free medical calculators and evidence-based health guides. Quickly calculate HEART score, eGFR, BSA, anion gap, Child-Pugh & more at Acha Waqat. - [About](https://achawaqat.com/about/) - Built by a Doctor, for Doctors AchaWaqat is a free, evidence-based platform of clinical calculators, validated psychometric scales, and research tools — built and maintained by Dr. Taimoor Asghar, a medical doctor, researcher, and data scientist working at the intersection of medicine and technology. Every tool on this site is rooted in peer-reviewed literature, designed - [MEDICAL DISCLAIMER](https://achawaqat.com/medical-disclaimer/) - Effective Date: 24 July 2026Last Updated: 24 July 2026Website:https://achawaqat.comOperator: Dr. Taimoor Asghar, MBBSJurisdiction: Kingdom of Denmark 1. PURPOSE AND SCOPE OF THIS DISCLAIMER This Medical Disclaimer ("Disclaimer") applies to all users, visitors, healthcare professionals, researchers, students, and any other natural or legal person ("User" or "You") who accesses, browses, or uses the Website https://achawaqat.com ("the - [COOKIE POLICY](https://achawaqat.com/cookie-policy/) - Data Controller: Dr. Taimoor AsgharWebsite:https://achawaqat.com 1. INTRODUCTION This Cookie Policy ("Policy") explains how AchaWaqat ("we," "us," or "our") uses cookies and similar tracking technologies on our Website, https://achawaqat.com ("the Website"). It supplements our Privacy Policy and forms part of our Terms of Service. We use cookies to ensure the Website functions correctly, to analyze traffic - [TERMS OF SERVICE](https://achawaqat.com/terms-of-service/) - Operator: Dr. Taimoor AsgharWebsite:https://achawaqat.comJurisdiction: Kingdom of Denmark 1. 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[anxiety score](https://achawaqat.com/tag/anxiety-score/) - [depression test](https://achawaqat.com/tag/depression-test/) - [Bishop score](https://achawaqat.com/tag/bishop-score/) - [labor induction](https://achawaqat.com/tag/labor-induction/) - [cervical ripening](https://achawaqat.com/tag/cervical-ripening/) - [cervical dilation](https://achawaqat.com/tag/cervical-dilation/) - [newborn assessment](https://achawaqat.com/tag/newborn-assessment/) - [neonatal care](https://achawaqat.com/tag/neonatal-care/) - [newborn resuscitation](https://achawaqat.com/tag/newborn-resuscitation/) - [Virginia Apgar](https://achawaqat.com/tag/virginia-apgar/) - [NSTEMI](https://achawaqat.com/tag/nstemi/) - [unstable angina](https://achawaqat.com/tag/unstable-angina/) - [acute coronary syndrome](https://achawaqat.com/tag/acute-coronary-syndrome/) - [cardiac risk assessment](https://achawaqat.com/tag/cardiac-risk-assessment/) - [Centor score](https://achawaqat.com/tag/centor-score/) - [streptococcal pharyngitis](https://achawaqat.com/tag/streptococcal-pharyngitis/) - 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[medical statistics](https://achawaqat.com/tag/medical-statistics/) - [effect estimates](https://achawaqat.com/tag/effect-estimates/) - [research methods](https://achawaqat.com/tag/research-methods/) - [diagnostic accuracy](https://achawaqat.com/tag/diagnostic-accuracy/) - [specificity](https://achawaqat.com/tag/specificity/) - [positive predictive value](https://achawaqat.com/tag/positive-predictive-value/) - [negative predictive value](https://achawaqat.com/tag/negative-predictive-value/) - [2 × 2 table](https://achawaqat.com/tag/2-x-2-table/) - [relative risk](https://achawaqat.com/tag/relative-risk/) - [odds ratio](https://achawaqat.com/tag/odds-ratio/) - [number needed to treat](https://achawaqat.com/tag/number-needed-to-treat/) - [number needed to harm](https://achawaqat.com/tag/number-needed-to-harm/) - [NNT calculation](https://achawaqat.com/tag/nnt-calculation/) - [NNH calculation](https://achawaqat.com/tag/nnh-calculation/) - [absolute risk reduction](https://achawaqat.com/tag/absolute-risk-reduction/) - 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