Catalyst University
Classifying Burns EXPLAINED
In this video, we discuss the classification of burn injuries from first degree to third/fourth degree.
Catalyst University
The Pupillary Light Reflex | Structure & Clinical Interpretation
In this video, we discuss the structure and physiology of the pupillary light reflex, a reflex arc that includes the optic nerves and oculomotor nerves (CNs II & III).
Catalyst University
Basics of Drug Interactions EXPLAINED | Inhibition & Induction
In this video, we explore the basic mechanisms of drug interactions (inhibition and induction), using examples with cytochrome P450 and two drugs, drug A and drug B.
Catalyst University
Nystagmus EXPLAINED đŸ‘€ | Visualizing & Interpretation
In this video, we explore nystagmus. We explore how you determine the type of nystagmus (upbeating, downbeating, geotropic, and ageotropic nystagmus) from their linear and torsional components.
Catalyst University
Parkinson's Disease [Part 1] | The 4 Cardinal Signs
In this video, we explore the major signs and symptoms of Parkinson’s disease including the 4 cardinal signs.
Catalyst University
Romberg & Sharpened Romberg Tests EXPLAINED
In this video, I explain and demonstrate the Romberg and Sharpened Romberg test, two related balance tests that are used in the assessment of sensory organization of balance.
Catalyst University
Guillain-Barré Syndrome | Mechanism & Presentation
In this video, we discuss the mechanism and clinical presentation of Guillain-Barré syndrome.
Catalyst University
Cell Cycle Regulators & Tumor Suppressor Genes | Proto-oncogenes & Oncogenes
In this video, we discuss the difference between proto-oncogene and oncogene AND the meaning of tumor suppressor genes. We also explore how dysfunction in any of these can lead to cancer.
Catalyst University
Vitamin D | Biosynthesis & the Vitamin D Receptor
In this video, we discuss the biosynthetic pathway for vitamin D and how vitamin D exerts its functions at the gene expression level. We also explore the clinical affect of statin therapy on vitamin D levels.
Mr. Beat
Affirmative Action for College Regents of the University of California v. Bakke
A man claims to be reverse discriminated against when he applies for UC Davis Medical School. Does affirmative action go against the Constitution?
Catalyst University
The Pelvic Floor Muscles (Part 2) | Origins, Insertions, Actions, Etc.
In this video, we explore the pelvic diaphragm muscles of the pelvic floor, their effects on continence, and their origins, insertions, innervations, and actions.
Catalyst University
Kim and Jerk Tests [Posteroinferior Labral Tears] | Rationale & Interpretation
In this video, I explain and demonstrate several special tests used in the diagnosis of posteroinferior labral tears of the shoulder joint. More specifically, we cover the rationale, interpretation of results, and psychometric properties...
Catalyst University
Let's Differentiate the Types of Synovial Joints!
In this video, we discuss the 6 major classes of synovial (diarthrotic) joints, along with relevant examples, movements allowed, and other critical features.
Catalyst University
High Ankle Sprains | Anatomy, Presentation, Diagnosis, & Treatment Basics
In this video, we explore the clinical anatomy of high ankle sprains in addition to the diagnosis using special tests, the clinical presentation, and basics of treatment.
Catalyst University
Vestibulo-Oculomotor Reflex (VOR) EXPLAINED
In this video, we explore the structure of the vestibulo-oculomotor reflex, or VOR, and discuss how it appears in a healthy individual.
Catalyst University
Thyroid Hormones | Biosynthesis & Pharmacology
In this video, we discuss the biosynthesis of thyroid hormones, their mechanism of action, and any relevant targets in pharmacology.
Catalyst University
Muscles of Mastication [Part 1] | Origins, Insertions, Etc.
In this video, we will discuss the structure, functions, origins, insertions, innervations, and actions of the major muscles of mastication.
Catalyst University
Other Motor Tracts [Part 1] | Reticulospinal & Vestibuospinal Tracts
In this video, we explore two of the "less discussed" descending motor pathways: Reticulospinal & Vestibuospinal Tracts
Catalyst University
Adrenal Pathologies | Addison's & Cushing's Diseases
In this video, we explore two conditions that result in abnormal levels of the hormone, cortisol: Addison’s disease & Cushing’s disease.
Catalyst University
What Does the Patella REALLY Do? | The Patellofemoral Joint
In this video, we explore the details of the patellofemoral joint and understand the function of the patella.
Catalyst University
The Glymphatic System EXPLAINED [+ Review of CSF Flow]
In this video, we discuss the basics of the glymphatic system and review the flow of cerebrospinal fluid (CSF) through the brain.
Catalyst University
Plantar Reflex & the Babinski Sign EXPLAINED
In this video, I explain the plantar reflex. More specifically, we discuss the reflex arc and how to determine whether or not the reflex is present/normal or abnormal in both adults and in infants.
Catalyst University
Interpreting the Weber-Rinne Tests EXPLAINED
In this video, we will dissect the Weber-Rinne tests for determining the mechanism of hearing loss in an affected individual.
Catalyst University
Corneal Reflex | Procedure & Results Interpretation
In this video, I explain the corneal reflex. More specifically, we discuss the reflex arc and how to determine whether or not the reflex is present/normal or abnormal.