Tools
547 entriesClinical calculators and scoring systems
- Transferrin SaturationHelps evaluate iron deficiency anaemia or iron overload (in haemosiderosis, iron poisoning or haemochromatosis)→
- Transjugular Intrahepatic Portosystemic Shunt (TIPS) Survival PredictorPredicts early death following elective TIPS for prevention of variceal rebleeding or for treatment of refractory ascites→
- Transtubular Potassium Gradient (TTKG)Assesses patients with hypo- or hyperkalaemia (K+ <3.5 or >5.0 mEq/L) and helps determine whether the renal response to the potassium imbalance was adequate→
- Trial of Labour after Caesarean Section (TOLAC)Estimates the probability of a successful vaginal delivery after Caesarean Section (VBAC)→
- True Negative Ratio from Specificity and PrevalenceCalculates the true negative ratio from specificity and prevalence→
- True Positive Ratio from Sensitivity and PrevalenceCalculates the true positive ratio from sensitivity and prevalence→
- Unstable Angina (UA) and Tirofiban Benefit PredictionPredicts which patients will have the best risk reduction from the addition of tirofiban to heparin therapy in patients with UA→
- Unstable Angina Outcome PredictionPredicts the risk of a poor outcome (refractory ischaemia/myocardial infarction/death occuring within 7 days of the initial presentation) in patients with UA→
- Unstable Angina Risk Stratification (Piombo)Risk stratifies patients with UA according to the Piombo scoring system→
- Unstable Angina Risk Stratification (Solomon)Risk stratifies patients with UA according to the Solomonscoring system→
- Urea Reduction Percentage in Haemodialysis (PRU)Quantifies efficiency of haemadialysis based on pre and post urea levels→
- Urea Reduction Ratio in Haemodialysis (URR)Quantifies efficiency of haemadialysis based on pre and post urea levels→
- Urine Anion Gap (UAG)Helps distinguish renal tubular acidosis (RTA) from non-RTA causes of normal-anion-gap metabolic acidosis→
- Urine Osmolal Gap (UOG)Helps distinguish renal tubular acidosis (RTA) from non-RTA causes of normal-anion-gap metabolic acidosis→
- Urine Protein to Creatinine Ratio (UPCR)Calculates the protein/creatinine ratio from a random urine sample to estimate 24-hour protein excretion→
- Vaccination Catch-up CalculatorThis calculator, credited to Professor Nicolette Du Plessis and sponsored by Sanofi, assists in determining the vaccination schedule for children. It covers all South African EPI vaccines and can be used for those who have received no vaccinations, as well as those who have received some vaccinations but require a catch-up schedule.→
- Vaccination Catch-up Calculator - February UpdateThis calculator, credited to Professor Nicolette Du Plessis and sponsored by Sanofi, assists in determining the vaccination schedule for children. It covers all South African EPI vaccines and can be used for those who have received no vaccinations, as well as those who have received some vaccinations but require a catch-up schedule.→
- Venous Leg Ulcer Healing PredictionPredicts the chance that a venous leg ulcer will heal within 24 weeks→
- Venous Segmental Disease Score for ObstructionMeasures response to clinical management in patients with venous segmental disease (obstruction)→
- Venous Segmental Disease Score for RefluxMeasures response to clinical management in patients with venous segmental disease (reflux)→
- Ventilation Index (VI)Determines the severity of respiratory illness (acute lung injury and/or respiratory distress syndrome) in critically ill patients→
- Very Low Density Lipoprotein (VLDL)Calculates VLDL cholesterol based on triglycerides→
- Villalta Score for Post-Thrombotic Syndrome (PTS)Grades severity of PTS in lower extremity deep vein thrombosis (DVT)→
- Vital Capacity (VC)Calculates the total volume of air that can be displaced from the lungs by maximal expiratory effort→
- Volume Unit ConversionsConverts between different units of volume→
- Volume of Distribution of UreaHelps guides therapy and dose of delivered dialysis in patients with chronic and acute renal failure→
- WHO Assessment of Malnutrition in Boys (0 to 2 years of age)Classifies the nutritional status of boys under the age of 2 years by Z-scores and percentiles based on WHO growth charts→
- WHO Assessment of Malnutrition in Boys (2 to 5 years of age)Classifies the nutritional status of boys under aged 2 to 5 years by Z-scores and percentiles based on WHO growth charts→
- WHO Assessment of Malnutrition in Girls (0 to 2 years of age)Classifies the nutritional status of girls under the age of 2 years by Z-scores and percentiles based on WHO growth charts→
- WHO Assessment of Malnutrition in Girls (2 to 5 years of age)Classifies the nutritional status of girls under aged 2 to 5 years by Z-scores and percentiles based on WHO growth charts→
- WHO Infant Head Circumference for Age (<24 months of age)Classifies a child's (under the age of 2 years) head circumference by Z-scores and percentiles based on WHO growth charts→
- WHO Infant Length for Age Percentiles (<24 months of age)Classifies a child's (under the age of 2 years) length by Z-scores and percentiles based on WHO growth charts→
- WHO Infant Weight for Age Percentiles (<24 months of age)Classifies a child's (under the age of 2 years) weight by Z-scores and percentiles based on WHO growth charts→
- WHO Infant Weight for Length Percentiles (<24 months of age)Classifies a child's (under the age of 2 years) growth by Z-scores and percentiles based on WHO growth charts→
- Waist to Hip RatioCalculates the waist to hip ratio as an indicator of general and abdominal adiposity and risk of death→
- Weight Based Divided Dose CalculatorCalculates medication dosage based on a patient's weight and splits it into divided doses→
- Weight Based Dosage CalculatorCalculates the appropriate dose of any medication based on a patient's weight→
- Weight Loss Indices Following Bariatric SurgeryHelps measure the success of the outcome of bariatric surgery in adults→
- Weight Unit ConversionsConverts between different units of weight→
- Wells Score for Deep Vein Thrombosis (DVT) ProbabilityPredicts the pre-test probability of a DVT based on clinical criteria and guides the need for imaging in patients with a clinical suspicion of DVT→
- Wells' Score for Pulmonary Embolism (PE)Predicts the pre-test probability of a PE based on clinical criteria and guides the need for further investigation in patients with a clinical suspicion of PE→
- Westley Croup ScoreAssesses severity of croup and measures response to treatment in children ≤6 years of age→
- Wilson Score for Prediction of Difficult IntubationPredicts the patients in whom laryngoscopy and endotracheal intubation may prove difficult→
- Winters' Formula for Metabolic Acidosis CompensationCalculates the expected pCO₂ compensation in a patient with a pure metabolic acidosis and the level of respiratory compensation in a patient with a mixed acidosis→
- Z-Score to Percentile EstimationApproximates the percentile associated to a given Z-score→
- Zytram® Once-Daily Prolonged Release Tablets ConverterCalculates the equivalent Zytram® (Once-Daily Prolonged Release Tablets) dose based on a patient's current tramadol regimen.→
- a/A RatioMeasures oxygen transfer across the lung→