📘 Preview – Content of All Chapters
This page provides a comprehensive overview of all 23 structured chapters available on Usmle2Gems.com. Each chapter is divided into clearly defined blocks or direct Gems, aligned with the most recent USMLE Step 2 CK exam trends and core clinical domains. Every block contains its own set of high-yield Gems.
At the end of each chapter, you'll find an Important Quick Revision section that includes Key Notes & Mnemonics—designed to fast-track your final review and strengthen recall.
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1) ◙ Cardiovascular System Gems:
• This Chapter Consists of 10 Blocks.
• 1) Aortic and Peripheral Artery Diseases
• 2) Cardiac Arrhythmias and Syncope
• 3) Coronary Heart Disease
• 4) Congenital Heart Disease
• 5) Heart Failure and Shock
• 6) Hypertension
• 7) Mayopericardial Diseases
• 8) Valvular Heart Diseases
• 9) Cardiovascular Drugs
• 10) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~500 Gems
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2) ◙ GIT & Nutrition Gems:
• This Chapter Consists of 10 Blocks.
• 1) Normal GI Function
• 2) Developmental Anomalies
• 3) Biliary Disorders
• 4) Nutrition Disorders
• 5) Gastroesophageal Disorders
• 6) Hepatic Disorders
• 7) Intestinal Disorders
• 8) Pancreatic Disorders
• 9) GI Tumors
• 10) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~450 Gems
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3) ◙ Neurologic System Gems
• This Chapter Consists of 14 Blocks.
• 1) Developmental Disorders
• 2) Stroke
• 3) Demyelination
• 4) Neuropathy & Myopathy
• 5) Headache
• 6) Neurodegeneration
• 7) Seizures
• 8) Spinal Cord Disorders
• 9) Brain Trauma
• 10) Neuro Tumors
• 11) Hydrocephalus
• 12) Anesthesia
• 13) Sleep Disorders
• 14) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~480 Gems
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4) ◙ Infectious Disease Gems
• This Chapter Consists of 8 Blocks.
• 1) Antibiotics
• 2) Bacterial Infections
• 3) Fungal Infections
• 4) HIV/STIs
• 5) Infection Control
• 6) Parasitic Infections
• 7) Viral Infections
• 8) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~400 Gems
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5) ◙ Pulmonology & Critical Care Gems
• This Chapter Consists of 8 Blocks.
• 1) Pulmonary Development
• 2) Critical Care
• 3) Interstitial Lung Diseases
• 4) Mediastinal Masses
• 5) Obstructive Lung Disease
• 6) Pulmonary Infections
• 7) Pulmonary Vascular
• 8) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~420 Gems
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6) ◙ Endocrine, Diabetes & Metabolism Gems
• This Chapter Consists of 11 Blocks.
• 1) Endocrine Principles
• 2) Normal Endocrine
• 3) Developmental Disorders
• 4) Adrenal
• 5) Diabetes
• 6) Endocrine Tumors
• 7) Pituitary
• 8) Obesity & Lipids
• 9) Reproductive Endocrinology
• 10) Thyroid
• 11) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~470 Gems
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7) ◙ Renal, Urinary System & Electrolytes Gems
• This Chapter Consists of 10 Blocks.
• 1) Developmental Anomalies
• 2) Acute Kidney Injury
• 3) Chronic Kidney Disease
• 4) Cystic Kidneys
• 5) Electrolyte Disorders
• 6) Glomerular Diseases
• 7) Renal Tumors
• 8) Stones & Obstruction
• 9) Diabetes Insipidus
• 10) Incontinence/Infection
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~430 Gems
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8) ◙ Pregnancy, Childbirth & Puerperium (Obstetrics) Gems
• No blocks – Straight Gems (from Gem #1 to Gem #260)
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~260 Gems
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9) ◙ Female Reproductive System & Breast (Gynecology) Gems
• This Chapter Consists of 6 Blocks.
• 1) Development & Function
• 2) Breast Disorders
• 3) Genital Tumors
• 4) Infections
• 5) Menstrual Disorders
• 6) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~310 Gems
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10) ◙ Psychiatric, Behavioral & Substance Abuse Gems
• This Chapter Consists of 10 Blocks.
• 1) Normal Behavior
• 2) Anxiety Disorders
• 3) Mood Disorders
• 4) Neurodevelopmental
• 5) Personality Disorders
• 6) Psychosis
• 7) Substance Use
• 8) Eating Disorders
• 9) Somatic & Sleep
• 10) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~300 Gems
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11) ◙ Hematology & Oncology Gems
• This Chapter Consists of 8 Blocks.
• 1) Hemostasis
• 2) Plasma Cells
• 3) Platelet Disorders
• 4) Anemias
• 5) Transfusions
• 6) Leukemias
• 7) Oncology Principles
• 8) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~360 Gems
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12) ◙ Pediatrics Gems - Part 1
+ 13) ◙ Pediatrics Gems - Part 2
• This Chapter Consists of 16 Blocks (divided into 2 parts).
• 1) Normal Development, Milestones, Growth & Nutrition
• 2) Neonatology Essentials
• 3) Infectious Diseases in Pediatrics
• 4) Pediatric Respiratory Conditions
• 5) Pediatric Cardiology
• 6) Pediatric Gastroenterology & Hepatology
• 7) Pediatric Neurology & Neurodevelopment
• 8) Pediatric ENT & Ophthalmology
• 9) Pediatric Renal & Urology
• 10) Pediatric Hematology & Oncology
• 11) Pediatric Endocrinology
• 12) Pediatric Rheumatology & Immunology
• 13) Pediatric Dermatology & Genetic Syndromes
• 14) Pediatric Musculoskeletal & Orthopedics
• 15) Pediatric Emergencies, Toxicology & Child Safety
• 16) Miscellaneous: Vaccination, Preventive Care, Psychological & Behavioral Pediatrics
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~520 Gems + 340 Gems
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14) ◙ Rheumatology, Orthopedics & Sports Medicine Gems
• This Chapter Consists of 3 Blocks.
• 1) Rheum Overview
• 2) Spondyloarthropathies
• 3) Vasculitides
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~150 Gems
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15) ◙ Biostatistics & Epidemiology Gems
• This Chapter Consists of 6 Blocks.
• 1) Skin Anatomy
• 2) Appendage Disorders
• 3) Inflammatory Dermatoses
• 4) Skin Infections
• 5) Skin Tumors
• 6) Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~240 Gems
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16) ◙ Dermatology Gems
• No blocks – Straight Gems (from Gem #1 to Gem #180)
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~180 Gems
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17) ◙ ENT (Ear, Nose, and Throat) Gems
• No blocks – Straight Gems (from Gem #1 to Gem #130)
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~130 Gems
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18) ◙ Ophthalmology Gems
• No blocks – Straight Gems (from Gem #1 to Gem #180)
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~180 Gems
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19) ◙ Social Sciences (Ethics, Legal, Professional) Gems
• No blocks – Straight Gems (from Gem #1 to Gem #170)
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~170 Gems
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20) ◙ Poisoning & Environmental Exposure Gems
• No blocks – Straight Gems (from Gem #1 to Gem #200)
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~200 Gems
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21) ◙ Male Reproductive System Gems
• No blocks – Straight Gems (from Gem #1 to Gem #150)
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~150 Gems
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22) ◙ Allergy & Immunology Gems
• This Chapter Consists of 2 Blocks.
• 1) General Principles
• 2) Multisystem Miscellaneous
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~160 Gems
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23) ◙ General Principles & Miscellaneous Gems
• This Chapter Consists of 2 Blocks.
• 1) General Internal Medicine
• 2) Scattered Topics
• Important Quick Revision, Key Notes & Mnemonics
📌 Approximate Total Gems: ~160 Gems
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