Usmle Step 1 Systems - 2023
Heart Morphogenesis 1
10m
Heart Morphogenesis 2
12m
Heart Embryology
6m
Fetal Circulation
Heart Anatomy
14m
Cardiac Output Variables
16m
Cardiac Output Equations
9m
Starling Curves
2m
Resistance, Pressure, and Flow
4m
Cardiac and Vascular Function Curves
7m
Arteriovenous Shunt
Pressure-Volume Loops
Cardiac Cycle
Aortic Stenosis and Regurgitation
Mitral Stenosis
Mitral Regurgitation
Splitting of S2
Auscultation of The Heart
Systolic Murmurs
13m
Diastolic and Continuous Murmurs
Myocardial Action Potential
5m
Pacemaker Action Potential
3m
Electrocardiogram
8m
Baroreceptors and Chemoreceptors
18m
Normal Resting Cardiac Pressures
Capillary Fluid Exchange
Congenital Heart Diseases 1
Congenital Heart Diseases 2
11m
Coarctation of The Aorta
Persistent Pulmonary Hypertension
Hypertension
Hyperlipidemia Signs
Atherosclerosis
Cholesterol Emboli
1m
Arteriolosclerosis
56s
Aortic Aneurysm
Aortic Dissection
Subclavian Steal
Ischemic Heart Disease Manifestations
Coronary Steal
Sudden Cardiac Death
Chronic Ischemic Heart Disease
Myocardial Infarction
Evolution of MI
Diagnosis of MI
Narrow Complex Tachycardia
Wolff-Parkinson-White
Wide Complex Tachycardia
Hereditary Channelopathies
Conduction Blocks
Premature Beats
Myocardial Infarction Complications
Acute Coronary Syndrome Treatment
Dilated Cardiomyopathy
Hypertrophic Cardiomyopathy
Restrictive Infiltrative Cardiomyopathy
Heart Failure
High-Output Heart Failure
Shock
Cardiac Tamponade
Syncope
Infective Endocarditis
Rheumatic Fever
Syphilitic Heart
Acute Pericarditis
Constrictive Pericarditis
Kussmaul Sign
47s
Myocarditis
Hereditary Hemorrhagic Telangiectasia
Cardiac Tumors
Hypertension Treatment
Calcium Channel Blockers
Hydralazine
Hypertensive Emergency Treatment
Nitrates
Antianginal Therapy
Lipid-Lowering Agents
Digoxin
Class IA and B anti-arrhythmic
Class IC anti-arrhythmic
Antiarrhythmics class II
Antiarrhythmics class III
Antiarrhythmics class IV
Other Antiarrhythmics
Thyroid Development
Pituitary Gland
Adrenal Cortex and Medulla
Hypothalamic-Pituitary Hormones
Growth Hormone
Antidiuretic Hormone
Prolactin
Thyroid Hormones
15m
Parathyroid Hormoneذ
Calcium Homeostasis
Calcitonin and Glucagon
Insulin
Adrenal Steroids
Cortisol
Appetite Regulation
Signaling Pathways of Endocrine Hormones
Signaling Pathways of Steroid Hormones
SIADH
Primary Polydipsia and Diabetes Insipidus
Hypopituitarism
Acromegaly
Hypothyroidism vs Hyperthyroidism
17m
Hypothyroidism
Hyperthyroidism
Thyroid Adenoma
Thyroid Cancer
Diagnosing Parathyroid Disease
Hypoparathyroidism
Hyperparathyroidism
Familial Hypocalciuric Hypercalcemia
Diabetes Mellitus
Type 1 vs Type 2 Diabetes Mellitus
Hyperglycemic Emergencies
Hypoglycemia in Diabetes
Cushing Syndrome
Nelson Syndrome
Adrenal Insufficiency
Hyperaldosteronism
Neuroendocrine Tumors
Neuroblastoma
Pheochromocytoma
Multiple Endocrine Neoplasia
Pancreatic Islet Cell Tumors
Carcinoid Tumors
Zollinger-Ellison Syndrome
Diabetes Mellitus Therapy
Thionamides
Levothyroxine, Liothyronine
Hypothalamic Pituitary Drugs
Cinacalcet, Sevelamer and Cation Exchange Resins
Normal GI Embryology
Ventral Wall Defects
Tracheoesophageal Abnormalities
Intestinal Atresia
Hypertrophic Pyloric Stenosis
Pancreas and Spleen Embryology
Retroperitoneal Structures
Important Gastrointestinal Ligaments
Digestive Tract Anatomy
Digestive Tract Histology
Abdominal Aorta and Branches
Gastrointestinal Blood Supply and Innervation
Celiac Trunk
Portosystemic Anastomosis
Pectinate Line
Liver Tissue
Biliary Structures
Femoral Region
Inguinal Canal
Myopectineal Orifice
Hernias
Diaphragmatic Hernia
Inguinal Hernia
Femoral Hernia
Gastrointestinal Regulatory Substances
20m
Gastrointestinal Secretory Products
Pancreatic Secretions
Carbohydrate Absorption
Vitamin and Mineral Absorption
Peyer Patches
Bile
Bilirubin
Oral Pathologies
Achalasia
Other Esophageal Pathologies
Barrett Esophagus
Esophageal Cancer
Gastritis
Ménétrier Disease
Gastric Cancer
Peptic Ulcer Disease
Ulcer Complications
Acute Gastrointestinal Bleeding
Celiac Disease
Lactose Intolerance
Pancreatic Insufficiency
Tropical Sprue
57s
Whipple Disease
Crohn Disease
Ulcerative Colitis
Microscopic Colitis
Irritable Bowel Syndrome
Appendicitis
Diverticula of The GI Tract
Zenker Diverticulum
Meckel Diverticulum
Hirschsprung Disease
Malrotation
Intussusception
Volvulus
Other Intestinal Disorders
Colonic Polyps
Polyposis Syndromes
Lynch Syndrome
Molecular Pathogenesis of Colorectal Cancer
Colorectal Cancer
Cirrhosis and Portal Hypertension
Spontaneous Bacterial Peritonitis
Serum Markers of Liver Pathology
Reye Syndrome
Alcoholic Liver Disease
Nonalcoholic Fatty Liver Disease
Autoimmune Hepatitis
Hepatic Encephalopathy
Liver Tumors
Budd-Chiari Syndrome
α1 Antitrypsin Deficiency
Jaundice
Benign Neonatal Jaundice
Biliary Atresia
Hereditary Hyperbilirubinemia
Wilson Disease
Hemochromatosis
Biliary Tract Disease
Cholelithiasis
Related Pathologies
Cholangiocarcinoma
Pancreatitis
Pancreatic Cancer
Acid Suppression Therapy
H2 Blockers
Proton Pump Inhibitors
Antacids
Bismuth, Sucralfate, and Misoprostol
Octreotide and Sulfasalazine
Loperamide, Diphenoxylate
52s
Antiemetics and Orlistat
Anticonstipation Drugs
Fetal Erythropoiesis
Blood Groups and Hemolytic Disease of The Newborn
24m
Hematopoiesis
Neutrophils
Erythrocytes
Thrombocytes
Monocytes and Macrophages
Dendritic Cells
Eosinophils
Basophils and Mast Cells
Lymphocytes and plasma cells
Hemoglobin Electrophoresis
Antiglobulin Test
Thrombogenesis
Coagulation Cascade
Vitamin K–Dependent Coagulation
RBC Morphology(1)
RBC Morphology(2)
RBC Inclusions
Anemias
19m
Iron Deficiency
α-Thalassemia
β-thalassemia, Lead Poisoning, and Sideroblastic Anemia
Macrocytic Anemias
Normocytic, Normochromic Anemia
Nonhemolytic, Normocytic Anemias
Intrinsic Hemolytic Anemias
Extrinsic Hemolytic Anemias
Leukopenias
Heme Synthesis and Porphyria
Iron Poisoning
Coagulation Disorders
Platelet Disorders
Thrombotic Microangiopathies
Mixed Platelet and Coagulation Disorders
Hereditary Thrombophilia
Blood Transfusion Therapy
Hodgkin Lymphoma
Non-Hodgkin Lymphoma
Plasma Cell Dyscrasias
Myelodysplastic Syndromes
Lymphoid Neoplasms
Myeloid Neoplasms
Myeloproliferative Syndromes
Leukemoid Reaction vs Chronic Myelogenous Leukemia
Polycythemia
Langerhans Cell Histiocytosis
Tumor Lysis Syndrome
Heparin
Warfarin
Direct Coagulation Inhibitors
Antiplatelets Inhibitors
Thrombolytics
Cancer Therapy
Antitumor Antibiotics
Antimetabolites
Alkylating Agents
Microtubule Inhibitors
Topoisomerase inhibitors
Tamoxifen
Anticancer Monoclonal Antibodies
Anticancer Small Molecule Inhibitors
Chemotoxicity Amelioration
Rotator Cuff Muscles
Brachial Plexus 1
Brachial Plexus 2
Brachial Plexus 3
Brachial Plexus 4
Wrist Region
Hand Muscles and Distortion of The Hand
Actions of Hip Muscles
Knee Exam
Lower Extremity Nerves 1
Lower Extremity Nerves 2
Lower Extremity Nerves 3
Lower Extremity Nerves 4
Ankle Sprains
Lumbosacral radiculopathy
Neurovascular Pairing
Motoneuron Action Potential to Muscle Contraction
Types of Skeletal Muscle Fibers and Adaptations
Vascular Smooth Muscle Contraction and Relaxation
Muscle Proprioceptors
Bone Formation and Cell Biology of Bone
Overuse Injuries of Elbow and Clavicle Fracture
Wrist and Hand Injuries and Psoas Abscess
Common Knee Conditions
Common Musculoskeletal Conditions 1
Common Musculoskeletal Conditions 2
Childhood Musculoskeletal Conditions
Osteoporosis and Osteomalacia-Rickets
Osteopetrosis and Osteitis Deformans
Avascular Necrosis and Lab Values in Bone Disorders
Primary Bone Tumors 1
Primary Bone Tumors 2
Osteoarthritis and rheumatoid arthritis
Gout and Pseudogout
Systemic Juvenile Arthritis and Sjogren's Syndrome and Septic Arthritis
Seronegative Spondyloarthritis
Systemic Lupus Erythematosus and Antiphospholipid Syndrome
Polymyalgia Rheumatica and Fibromyalgia
Polymyositis-Dermatomyositis and Myositis Ossificans
Large Vessel Vasculitis
Medium Vessel Vasculitis
Small Vessel Vasculitis 1
Small Vessel Vasculitis 2
Neuromuscular Junction Diseases
Raynaud Phenomenon and Scleroderma
Skin Layers, Epithelial Cell Junctions and Exocrine Glands
Macroscopic and Microscopic Dermatological Lesions
Pigmented Skin Disorders and Seboreheic Dermatitis
Common Skin Disorders 1
Common Skin Disorders 2
Common Skin Disorders 3
Common Skin Disorders 4
Bacterial Skin Infections
Viral Skin Infections
Cutaneous Mycoses
Autoimmune Blistering Skin Disorders and Epidermolysis Bullosa Simplex
Other Blistering Skin Disorders
Cutaneous Ulcers
Skin Cancer
Vascular Tumors of Skin
Skin Burn
Anti Inflammatory Medications
Gout and Osteoporosis Medications
Neural Development
Neural Tube Defects and Brain Malformations
Posterior Fossa Malformations and Syringomyelia
Tongue Development
Cells in Nervous System
22m
Action Potential
Sensory Receptors
Peripheral Nerve and Chromatolysis
Neurotransmitter Changes with Disease
Meninges and BBB
The Physiology of Vomiting
The Physiology of Sleep
Hypothalamus
Thalamus
Limbic System
Dopaminergic Pathway
Cerebellum
Basal Ganglia
Spinal Cord Anatomy and LP
Spinal Cord Tracts
Circle of Willis
Blood Supply to Cortical Surfaces and Homunculus
Cerebral Perfusion
Ventricular System and Dura Venous Sinuses
Cerebral Cortex 1
Cerebral Cortex 2
Cerebral Cortex 3
Brain Stem 1
Brain Stem 2
Brain Stem 3
Foramens of The Skull
Cranial Nerves 1
Cranial Nerves 2
Cranial Nerve Reflexes
Clinical and Primitive Reflexes
Skin Dermatomes
Ischemic Brain Disease
Effects of Strokes 1
Effects of Strokes 2
21m
Intracranial Hemorrhage 1
Intracranial Hemorrhage 2
Miscellaneous Neurological Disorders
Aneurysms
Fever and Heat Stroke
Seizures
Headaches
Dyskinesias
Neurodegenerative Movement Disorders
Dementia 1
Dementia 2
Idiopathic Intracranial Hypertension
Hydrocephalus
Multiple Sclerosis
Other Demyelinating Disorders
Neurocutaneous Disorders
Adult Primary Brain Tumors 1
Adult Primary Brain Tumors 2
Childhood Primary Brain Tumors
Brain Herniation Syndromes
UMN Vs LMN Lesions
Spinal Cord Lesions 1
26m
Spinal Cord Lesions 2
Cerebral Palsy
Common Cranial Nerve Lesions
Auditory Anatomy and Physiology
Otitis Externa and Otitis Media
Hearing Loss
Vertigo
Eye Anatomy
Conjunctivitis and Refractive Errors
Lens Disorders
Glaucoma
Retinal Disorders 1
Retinal Disorders 2
Pupillary Control
Ocular Motility
Visual Field Defects
Cavernous Sinus
Internuclear Ophthalmoplegia
Anticonvulsants
Benzodiazepines vs Barbiturates and Other Hypnotic Medications
Parkinson Disease Therapy
Neurodegenerative and Skeletal Muscle Relaxant Medications
General and Local Anesthesia
Neuromuscular Blocking Drugs
Opioid Analgesics
Glaucoma Therapy
Conditioning
Ego Defenses
30m
Grief
Normal Infant and Child Development
Child Abuse
Childhood and Early-Onset Disorders
Amnesias
Dissociative Disorders
Delirium
Psychosis
Mood Disorder
Schizophrenia Spectrum Disorders
Bipolar
Depression
Suicide
Panic Disorder
Phobias
GAD
OCD
Trauma and Stress Related Disorders
Personality Disorders
Factitious Disorders
Somatic Symptom and Related Disorders
Eating Disorders
Gender Dysphoria and Sexual Dysfunction
Sleep Terror and Enuresis
Narcolepsy
Substance Use and Gambling
Transtheoretical Model of Change
Psychiatric Emergencies
Depressants
Stimulants
Hallucinogens
Alcohol Use Disorder
Psychotherapy
Central Nervous System Stimulants
Antipsychotics
Lithium
Buspirone
Antidepressants
SSRIs
SNRIs
TCAs
Monoamine Oxidase Inhibitors
Atypical Antidepressants
Smoking Cessation
Opioids
Kidney Embryology
Potter Sequence
Horseshoe Kidney
Congenital Solitary Functioning Kidney
Duplex Collecting System
Posterior Urethral Valves
Vesicoureteral Reflux
Renal Blood Flow
Glomerular Anatomy
Course of Ureters
Fluid Compartments
Glomerular Filtration
Renal Clearance
Glomerular Filtration Rate
Effective Renal Plasma
Filtration
Changes in Glomerular Dynamics