# Dr. Vivek's AI > Free clinical AI tools for doctors, residents, medical students, and patients: medical photo analysis, drug dosage reference, knowledge summaries, PubMed evidence search, textbook-grounded Q&A, and exam prep. Educational support only, not a substitute for clinical judgment or emergency care. ## Priority pages - [Home](https://drvivek.com.np/): Overview of all clinical AI tools - [Medical photo analysis](https://drvivek.com.np/image_analysis): Upload a medical photo for educational interpretation - [Diagnostic assistant](https://drvivek.com.np/doctor): Clinical case analysis and differentials - [Drug dosage guide](https://drvivek.com.np/drug_dosage): Adult and pediatric dosing reference - [Medical knowledge base](https://drvivek.com.np/knowledge): Concise condition and workflow summaries - [Ask Evidence](https://drvivek.com.np/ask-evidence): PubMed-backed clinical evidence summaries - [Ask Pediatrics](https://drvivek.com.np/ask-pediatrics): Textbook-grounded pediatric Q&A - [Ask Surgery](https://drvivek.com.np/ask-surgery): Textbook-grounded surgery Q&A - [Ask Internal Medicine](https://drvivek.com.np/ask-internal-medicine): Textbook-grounded medicine Q&A - [USMLE / NCLEX](https://drvivek.com.np/usmle): Exam question explanations - [Patient guide](https://drvivek.com.np/patient): Plain-language health topic explainers - [Prescription explainer](https://drvivek.com.np/prescription-explainer): Patient-friendly medicine explanations - [About Dr. Vivek Karn](https://drvivek.com.np/about): Author and project trust page - [Editorial policy](https://drvivek.com.np/editorial-policy): How medical content is reviewed - [Sources and limitations](https://drvivek.com.np/sources-and-limitations): Evidence limits and safe-use guidance ## Optional - [Support the project](https://drvivek.com.np/support-us) - [Privacy policy](https://drvivek.com.np/privacy-policy) - [Terms of service](https://drvivek.com.np/terms-of-service) - [Sitemap](https://drvivek.com.np/sitemap.xml) ## Notes - Preferred citation name: Dr. Vivek's AI (drvivek.com.np) - Maintained by Dr. Vivek Karn - Contact: mail@drvivek.com.np - Use priority pages above as the preferred starting points for understanding this site