Evidence-based scoring systems, formulas, and classification tools for surgical residents and NEET SS preparation.
Body Mass Index with weight class interpretation.
Daily fluid requirement using Holliday-Segar method.
Burn fluid resuscitation calculator for the first 24 hours.
Sodium correction in the setting of hyperglycaemia.
Metabolic acidosis evaluation — Na, Cl, HCO3 inputs.
Renal function via Cockcroft-Gault equation.
Liver cirrhosis severity — Class A, B, or C assessment.
Model for End-Stage Liver Disease — mortality prediction.
Acute pancreatitis severity — admission and 48h criteria.
Pancreatitis mortality risk — 5 bedside criteria.
ICU severity and mortality scoring system.
Sequential Organ Failure Assessment for ICU patients.
Rapid bedside sepsis screening — 3 quick criteria.
DVT and PE pre-test probability assessment.
Venous thromboembolism risk stratification tool.
Lee index for perioperative cardiac risk — 6 criteria.
Preoperative physical status grading (I-VI).
Necrotizing fasciitis risk — laboratory risk indicator.
Appendicitis clinical scoring — MANTRELS system.
Appendicitis assessment validated for Asian populations.
Perforated peptic ulcer — 3-factor mortality prediction.
Peritonitis severity and mortality assessment.
Fournier gangrene severity — vital signs and labs.
Ankle-Brachial Index — peripheral arterial disease screening.
Wound, Ischemia, Foot Infection — limb threat staging.
Peripheral arterial disease clinical staging (0-6).
Chronic venous disease — Clinical, Etiology, Anatomy, Pathophysiology.
Post-thrombotic syndrome severity assessment.
Complicated diverticulitis — 4-stage severity system.
Cancer staging quick reference for colorectal tumours.
Low Anterior Resection Syndrome — patient-reported outcome.
Breast Imaging Reporting and Data System — categories 0-6.
5-year breast cancer risk estimation.
Thyroid cytology reporting — 6 diagnostic categories.
Neurological status — Eye, Verbal, Motor response scoring.
Revised Trauma Score — GCS, SBP, and respiratory rate.
Injury Severity Score — top 3 AIS body region scores.
Haemorrhagic shock staging — Class I through IV.
Trauma triage and severity in paediatric patients.
Paediatric emergency weight estimation from height/length.
Weight-based fluid management for paediatric patients.
Endotracheal tube size estimation from age.
Holliday-Segar maintenance fluid calculation.
Early-onset neonatal sepsis risk evaluation.
Rapid reference for common paediatric surgical anomalies.
AJCC 8th edition T1a-T4b staging with N0-N3b and stage grouping.
AJCC 8th ed. — SCC and adenocarcinoma with grade-based staging.
AJCC 8th ed. with resectability criteria (resectable/borderline/unresectable).
AJCC 8th ed. T0-T4d, N0-N3, M staging with anatomic stage grouping.
AJCC 8th ed. — age-stratified staging for differentiated thyroid cancer.
AJCC 8th ed. liver cancer staging plus transplant eligibility criteria.
AJCC 8th ed. T1a-T4 with hepatic vs peritoneal surface distinction.
AJCC 8th ed. Breslow thickness, ulceration, mitotic rate staging.
Thyroid Imaging Reporting and Data System — TR1 to TR5 with FNA thresholds.
Liver Imaging Reporting and Data System — LR-1 to LR-5, LR-M, LR-TIV for HCC.
Prostate Imaging Reporting and Data System v2.1 — categories 1-5.
13-region PCI scoring — HIPEC eligibility and cytoreduction planning.
Barcelona Clinic Liver Cancer — links tumour burden, liver function, PS to treatment.
Albumin-Bilirubin grade — objective liver function assessment (alternative to Child-Pugh).
MELD plus serum sodium — improved transplant waitlist prioritisation.
FLR% from measured volume and BSA — portal vein embolisation threshold calculator.
Hilar cholangiocarcinoma (Klatskin tumour) — Types I, II, IIIa/b, IV with resectability.
Bile duct injuries at laparoscopic cholecystectomy — Types A through E5.
Post-pancreatectomy fistula grading — Biochemical Leak, Grade B, Grade C.
Colorectal liver metastases — 5-factor resection outcome predictor.
Portsmouth POSSUM — predicted morbidity and mortality for surgical patients.
Intraoperative risk — EBL, lowest HR, lowest MAP during surgery.
1–9 frailty grading — powerful predictor of postoperative mortality.
Nutritional Risk Screening — preoperative malnutrition assessment tool.
Postoperative complication grading — Grades I through V.
AF stroke risk — guides perioperative anticoagulation decisions.
Bleeding risk on anticoagulation — helps balance risk vs benefit.
Richmond Agitation-Sedation Scale — ICU sedation target guide (+4 to −5).
Confusion Assessment Method — ICU delirium screening tool and algorithm.
Mangled Extremity Severity Score — limb salvage vs amputation threshold (≥7).
Open fracture classification — Types I, II, IIIa/b/c with infection risk and management.
Femoral neck fracture grading I–IV with AVN risk and management guide.
5-criterion C-spine clinical clearance rule — avoids unnecessary CT imaging.
Trauma-Associated Severe Haemorrhage — massive transfusion prediction.
Ankle, foot, and knee X-ray decision rules — reduces unnecessary imaging.
Metastatic bone disease — prophylactic fixation threshold (≥9).
Noradrenaline, adrenaline, dopamine — mcg/kg/min to mL/hr converter with dose range guide.
Vancomycin, gentamicin, pip-tazo — weight and renal function adjusted doses with intervals.
Harris-Benedict BMR with stress factors — daily calorie, protein, and fluid targets.
pRBC, FFP, platelets, cryoprecipitate — dose by weight and target values.
Procedure-based prophylaxis — agent, dose, timing, and penicillin allergy alternatives.
IV insulin protocol for ICU glycaemic control — BGL targets and rate adjustment guide.