Curriculum: Ventricular Septal Defects (VSD)

Subject: Curriculum: Ventricular Septal Defects (VSD)

22 chapters

Chapters

  1. 1 The four components
    acoustic guitar, lyrical music, hand clapping, no drums · 4:31
    Explore the ventricular septum's four distinct regions—membranous, inlet, trabecular, and outlet—and discover how each contributes to the anatomy and classification of VSDs.
  2. 2 Two critical neighbors
    chill, uk spoken poetry, jazz, bass and piano, slow · 4:07
    Explore how the AV node and bundle of His travel dangerously close to the membranous septum's rim, and understand why surgeons must map this conduction pathway carefully to avoid causing heart block during VSD repair.
  3. 3 Embryology in one paragraph
    melodic piano, duet male female · 4:49
    A crash course in cardiac development traces how the ventricular septum forms from the muscular floor upward while endocardial cushions seal the inlet, giving listeners the embryological roots behind ventricular septal defects.
  4. Assessment
    melodic piano, duet male female · 3:52
    A melodic walk through the right ventricle's anatomy, mapping outlet, trabecular, and inlet regions to help listeners pinpoint VSD locations before diving into diagnosis and clinical reasoning.
  5. 1 The four-type scheme (most used clinically)
    spoken word poetic, piano jazz · 3:58
    Explore the clinical classification of ventricular septal defects by location—perimembranous, muscular, inlet, and outlet—and discover how pinpointing a defect's anatomical "zip code" shapes diagnosis and treatment decisions.
  6. 2 The Anderson descriptive approach
    spoken word poetic, piano jazz
    Explore how the Anderson descriptive approach reframes VSD classification beyond simple numbering, using septal borders, geography, and great vessel relationships to pinpoint whether a defect's rim is fibrous or muscular—giving listeners a precise anatomical language for understanding ventricular septal defects.
  7. 3 Additional descriptors that change management
    piano, classical, rap · 3:16
    Explore how VSD size—small, moderate, or large relative to the aorta—determines blood flow volume and shapes treatment decisions, from watchful waiting on tiny defects to urgent intervention for large ones.
  8. Assessment
    chill, uk spoken poetry, jazz, bass and piano, slow · 4:48
    A guided walkthrough of ventricular septal defect classification, using echo findings and anatomical landmarks to distinguish perimembranous, muscular, outlet, and inlet types—listeners will sharpen their diagnostic ear for matching clinical clues to the correct VSD subtype.
  9. 1 Type 1 — Outlet / subarterial / doubly committed
    piano, classical, rap · 3:21
    Explore how outlet, subarterial, doubly committed VSDs form a rare defect nestled directly beneath the aortic and pulmonary valves, lacking a muscular rim to separate the great vessels—and why this unique anatomy raises the risk of aortic valve prolapse and regurgitation.
  10. 2 Type 2 — Perimembranous (the most common VSD)
    acoustic guitar, lyrical music, hand clapping, no drums · 4:37
    Explore the anatomical heart of perimembranous VSDs, where the membranous septum's fibrous continuity between aortic and tricuspid valves creates the most common ventricular septal defect—and discover why its variable extensions into inlet, outlet, and trabecular regions make classification so distinct.
  11. 3 Type 3 — Inlet / AV-canal type
    chill, uk spoken poetry, jazz, bass and piano, slow · 4:43
    Explore how inlet (AV-canal type) VSDs form when the defect merges directly with the tricuspid valve annulus, leaving no muscular rim between hole and hinge—listeners will learn why this borderless gap changes how the defect behaves and relates to the valve above it.
  12. 4 Type 4 — Muscular / trabecular
    acoustic guitar, lyrical music, hand clapping, no drums
    Explore the muscular trabecular VSD's wandering nature through the ventricular wall, learning why its complete muscle rim gives it the best odds of spontaneous closure without threatening conduction pathways.
  13. 5 Shared physiology (all types)
    spoken word poetic, piano jazz
    Explore the mechanics driving blood flow through a ventricular septal defect, learning why left-to-right shunting occurs based on pressure differences and pulmonary resistance, and how defect size shapes the direction and impact of blood flow.
  14. Assessment
    spoken word poetic, piano jazz · 4:22
    Explore the anatomy and clinical nuances of perimembranous VSDs—the most common ventricular septal defect—uncovering how their fibrous rim, proximity to the aortic valve, and natural tendency to close over time shape diagnosis and long-term outlook.
  15. 1 Clinical evaluation
    piano, classical, rap · 3:04
    A bedside guide to detecting ventricular septal defects through auscultation, revealing the counterintuitive truth that smaller holes often produce louder, harsher murmurs due to high-pressure jets, while listeners learn to map thrill location and murmur timing to defect size and severity.
  16. 2 Echocardiography — the definitive tool
    piano, classical, rap · 3:26
    Explore how echocardiography pinpoints ventricular septal defects using parasternal short axis views and clock-face positioning, revealing telltale signs like septal aneurysms and leaflet prolapse that guide diagnosis and treatment decisions.
  17. 3 Other modalities
    chill, uk spoken poetry, jazz, bass and piano, slow · 4:25
    Explore how ECG and chest X-ray findings shift with VSD size—from quiet, unremarkable traces in small defects to left axis deviation, cardiomegaly, and biventricular hypertrophy as shunt volume grows over time.
  18. Assessment
    melodic piano, duet male female · 3:31
    Walk through the echocardiographic workup of ventricular septal defects, from spotting the telltale four-chamber view to recognizing why perimembranous defects—tucked just beneath the aortic valve—account for the vast majority of cases you'll encounter.
  19. 1 Decision framework
    chill, uk spoken poetry, jazz, bass and piano, slow · 4:53
    A guided walk through diagnosing ventricular septal defects, breaking down the Qp/Qs ratio and physical signs like thrills and murmurs to reveal when surgical intervention becomes necessary.
  20. 2 Treatments
    chill, uk spoken poetry, jazz, bass and piano, slow · 4:21
    Explores how ventricular septal defects are managed over time, weighing careful watchful waiting against surgical closure while tracking risks like valve prolapse, double-chambered right ventricle, and endocarditis—listeners will learn why even small, seemingly benign holes demand vigilant, long-term monitoring.
  21. Assessment
    acoustic guitar, lyrical music, hand clapping, no drums · 4:48
    A newborn's murmur becomes a masterclass in VSD diagnosis, walking through perimembranous defects, their telltale location near the tricuspid valve, and how septal leaflet tissue can spontaneously close the shunt over time.
  22. Final Assessment
    chill, uk spoken poetry, jazz, bass and piano, slow
    A rhythmic recap ties together VSD classifications, murmur patterns, and the natural history from shunt to Eisenmenger reversal, giving listeners a final memorable pass through the anatomy and physiology that defines these defects.