opicalc — clinical decision support
Calculators
by specialty.
1449+ evidence-based tools across 47 specialties. Select a specialty below or search for a specific calculator.
47
Specialties
1449+
Clinical tools
100%
Evidence-based
Specialties
Allergy and Immunology
5 tools
Anesthesiology
11 tools
Bariatric Surgery
5 tools
Cardiothoracic Surgery
3 tools
Cardiovascular
89 tools
Clinical Pharmacology
49 tools
Colorectal Surgery
7 tools
Critical Care
8 tools
Dermatology
24 tools
Emergency Medicine
5 tools
Endocrinology
64 tools
ENT
4 tools
Family Medicine
2 tools
Gastroenterology
100 tools
General Medicine
1 tools
General Surgery
4 tools
Geriatrics
48 tools
Hematology
111 tools
Hepatology
7 tools
Infectious Diseases
88 tools
Internal Medicine
11 tools
IV Infusions & Critical Care
50 tools
Medical Genetics
10 tools
Nephrology
17 tools
Neurology
22 tools
Neurosurgery
101 tools
Obstetrics and Gynecology
38 tools
Oncology
68 tools
Ophthalmology
15 tools
Orthopedics
8 tools
Pain Medicine
11 tools
Palliative Care
22 tools
Pathology
4 tools
Pediatric Pharmacology
45 tools
Pediatrics
5 tools
Physical Medicine
68 tools
Plastic Surgery
4 tools
Psychiatry
93 tools
Pulmonary
13 tools
Radiation Oncology
4 tools
Rheumatology
5 tools
Sports Medicine
101 tools
Toxicology
5 tools
Transplant Medicine
3 tools
Trauma Surgery
57 tools
Urology
26 tools
Vascular Surgery
8 tools
Every algorithm is mapped to primary peer-reviewed literature and national guidelines — ACC/AHA, ACOG, ESCRS, and others.
Calculations must be re-checked and should not be used alone to guide patient care, nor should they substitute for clinical judgment.