StepWise USMLE
Complete Notes

General & Systemic Pathology

A comprehensive pathology learning pathway for MBBS and USMLE Step 1.

Work through disease mechanisms system by system — general pathology, cardiovascular & hematologic, respiratory, GI & hepatobiliary, renal, endocrine, musculoskeletal, skin, reproductive, and CNS — with high-yield clinical correlations woven into every chapter.

USMLE Focused Clinical Correlations Free Forever Regularly Updated
Your Route Through Disease

The Learning Pathway

General Path.
CV & Heme
Respiratory
GI & Hepatic
Renal
Endocrine
MSK
Skin
Reproductive
CNS
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Chapters
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Organ Systems
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Free Access
USMLE
High Yield

General Pathology

Cell injury, inflammation, neoplasia, and genetics — the mechanisms underlying every organ-specific disease.

Cardiovascular, Hematologic & Lymphoid System

Vessels, the heart, red cells, and the blood & lymphoid compartment.

Respiratory System

Airway and parenchymal lung disease mechanisms.

Gastrointestinal & Hepatobiliary System

Esophagus to intestines, liver, gallbladder, and pancreas.

Renal System

Kidney and urinary tract pathology.

Endocrine System

Thyroid, parathyroid, adrenal, pituitary, and diabetes mellitus.

Musculoskeletal System

Bone, joint, muscle, and soft tissue pathology.

Skin

Pigment disorders and inflammatory dermatopathology.

Reproductive System & Breast

Male urogenital, breast, gynecologic & placental pathology.

Central Nervous System

CNS pathology review.