Pathophysiology
By Dr. Akash Garg, DC, MS Pharmacology, MEd, MBA · Updated October 20, 2026
How disease actually works. Free to read, practice and play, with no sign-up.
13chapters
14animated modules
90interactives
1game
See It: Pathophysiology
Start watchingWatch it happen
See how 205 diseases and conditions actually happen. 14 animated walkthroughs, each with a hands-on lab. Pause, slow down or have it read aloud.
- 1Fluids and electrolytes
- 2Pathogens and immune disorders
- 3Cell injury, inflammation and cancer
- 4Sepsis, shock, pain and wound healing
- 5Neurological disorders
- 6Musculoskeletal and skin disorders, burns
- 7Genetic disorders
- 8Endocrine disorders
- 9Blood disorders and vascular disease
- 10Cardiac disorders
- 11Renal and urinary disorders
- 12Respiratory disorders
- 13Gastrointestinal disorders
- 14Liver, biliary and reproductive disorders
Study tools
Play
NewPathophysiologyPathoQuest: The Ailing KingdomRule as Royal Physician of an island shaped like its Queen. Battle 60 real diseases, earn Sigils in the Sanctums, and study from 100 illustrated, printable study guides with real medications.
On the wayPathophysiologyA Medical Mystery108 clinical cases across 14 specialties. Gather clues and make the diagnosis.Advertisement
Chapters
- 1Foundations: The Cell, ABGs and GeneticsCells and injury, fluids and acid base, DNA and inheritance
- 2Immunity, Inflammation and HypersensitivityDefenses, antibodies, inflammation, allergy and autoimmunity
- 3Oncology: How Cancer WorksCell injury, benign vs malignant, spread and staging
- 4PainThe pain pathway, types of pain and how it is treated
- 5NeurologyStroke, raised ICP, seizures and neurologic disorders
- 6The Endocrine SystemFeedback, adrenal, thyroid, diabetes, growth hormone and ADH
- 7Hematology: The BloodAnemias, clotting, blood types and blood cancers
- 8CardiovascularCoronary disease, heart failure, valves, EKG and blood pressure
Written by Dr. Akash Garg
Doctor of Chiropractic, MS in Pharmacology, MEd and MBA. Teaching college science since 2007.