The Diaphragm
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These are the Let's Refresh slides for the Diaphragm. The corresponding video can be found at www.thefunkyprofessor.com
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The Diaphragm
- 2. The Diaphragm Is a muscular-tendinous structure used in respiration www.biodigital.com
- 3. The Diaphragm It is dome-shaped and separates the Thoracic and Abdominal Cavity Is a muscular-tendinous structure used in respiration www.biodigital.com
- 4. The Diaphragm It is dome-shaped and separates the Thoracic and Abdominal Cavity Is a muscular-tendinous structure used in respiration It’s muscle fibres arise from the inner surface of the inferior aperture of the Thoracic Cage www.biodigital.com
- 5. Quadratus Lumborum Psoas Major L2 L3 L4 Inferior view of Diaphragm
- 6. Quadratus Lumborum Psoas Major L2 L3 L4 The muscle fibres arise from Inferior view of Diaphragm
- 7. Lateral Arcuate Ligament Quadratus Lumborum Psoas Major L2 L3 L4 The muscle fibres arise from Lateral Arcuate Ligament Inferior view of Diaphragm
- 8. Lateral Arcuate Ligament Quadratus Lumborum Psoas Major Medial Arcuate Ligament L2 L3 L4 The muscle fibres arise from Lateral Arcuate Ligament Medial Arcuate Ligament Inferior view of Diaphragm
- 9. Lateral Arcuate Ligament Quadratus Lumborum Psoas Major Medial Arcuate Ligament L2 L3 L4 The muscle fibres arise from Lateral Arcuate Ligament Medial Arcuate Ligament Lumbar Vertebral Bodies: Inferior view of Diaphragm
- 10. Lateral Arcuate Ligament Quadratus Lumborum Psoas Major Medial Arcuate Ligament L2 L3 L4 Left Crus Right Crus The muscle fibres arise from Lateral Arcuate Ligament Medial Arcuate Ligament Lumber Vertebral Bodies: • Left Crus - L2, L3 • Right Crus - L2, L3, L4 Inferior view of Diaphragm
- 11. Lateral Arcuate Ligament Quadratus Lumborum Psoas Major Medial Arcuate Ligament L2 L3 L4 Left Crus Right Crus Peripheral muscle fibres converge into the Central Tendon Inferior view of Diaphragm
- 12. Antero-posterior view Plain chest radiograph
- 13. Antero-posterior view Plain chest radiograph Diaphragm appears as a “double dome”
- 14. Antero-posterior view Plain chest radiograph Diaphragm appears as a “double dome” Central diaphragm is indented by the Fibrous Pericardium
- 15. Three Openings of the Diaphragm Inferior view of Diaphragm
- 16. Three Openings of the Diaphragm Aortic Hiatus Transmits Descending Thoracic Aorta Inferior view of Diaphragm
- 17. Three Openings of the Diaphragm Aortic Hiatus Transmits Descending Thoracic Aorta Venal Caval Hiatus Transmits Inferior Vena Cava Inferior view of Diaphragm
- 18. Three Openings of the Diaphragm Aortic Hiatus Transmits Descending Thoracic Aorta Venal Caval Hiatus Transmits Inferior Vena Cava Oesophageal Hiatus Transmits Oesophagus Inferior view of Diaphragm
- 19. Vertebral Level of Diaphragm Hiatus
- 20. Vertebral Level of Diaphragm Hiatus Aorta 12th Thoracic vertebral body
- 21. Aorta 12th Thoracic vertebral body Oesophageal Hiatus 10th Thoracic vertebral body Vertebral Level of Diaphragm Hiatus
- 22. Aorta 12th Thoracic vertebral body Vena Caval Hiatus 9th Thoracic vertebral body Oesophageal Hiatus 10th Thoracic vertebral body Vertebral Level of Diaphragm Hiatus
- 23. The Phrenic Nerve innervates the Diaphragm Left Phrenic NerveRight Phrenic Nerve www.biodigital.com
- 24. The Phrenic Nerve innervates the Diaphragm Left Phrenic NerveRight Phrenic Nerve Cervical Plexus Originates from the Cervical Plexus and runs down the neck behind the carotid sheath www.biodigital.com
- 25. The Phrenic Nerve innervates the Diaphragm Left Phrenic NerveRight Phrenic Nerve Cervical Plexus Originates from the Cervical Plexus and runs down the neck behind the carotid sheath Superior Mediastinum Enters Thoracic Cavity in the Superior Mediastinum www.biodigital.com
- 26. The Phrenic Nerve innervates the Diaphragm Left Phrenic NerveRight Phrenic Nerve Cervical Plexus Originates from the Cervical Plexus and runs down the neck behind the carotid sheath Superior Mediastinum Enters Thoracic Cavity in the Superior Mediastinum Inferior Mediastinum Crosses the Mediastinum to the Diaphragm and supplies all the diaphragmatic fibres on that side www.biodigital.com
- 27. The Phrenic Nerve innervates the Diaphragm Left Phrenic NerveRight Phrenic Nerve Cervical Plexus Sensory Phrenic Nerve fibres are distributed in the Mediastinum www.biodigital.com
- 28. Cervical Root Value of Phrenic Nerve C3 C4 C5 www.biodigital.com
- 29. Cervical Root Value of Phrenic Nerve C3 C4 C5 C-3, 4, 5 keeps the Diaphragm alive www.biodigital.com