Ventilation Perfusion Ratio, Physiological dead space and physiological shunt
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In this insightful lecture, Dr. Faiza, an esteemed Assistant Professor of Physiology, delves into the essential concept of the ventilation-perfusion ratio (V˙/Q˙), which is fundamental to understanding pulmonary physiology. Dr. Faiza brings a wealth of knowledge and experience to the table, with qualifications including MBBS, FCPS in Physiology, and multiple postgraduate degrees in public health and healthcare education. The lecture begins by laying the groundwork with basic concepts, explaining the definitions of ventilation (V˙) and perfusion (Q˙), and highlighting the significance of the ventilation-perfusion ratio (V˙/Q˙). Dr. Faiza explains the normal value of this ratio and its critical role in ensuring efficient gas exchange in the lungs. Next, the discussion moves to the impact of different V˙/Q˙ ratios on alveolar gas concentrations. Participants will learn how a normal, zero, or infinite V˙/Q˙ ratio affects the partial pressures of oxygen and carbon dioxide in the alveoli. Dr. Faiza provides a detailed comparison of alveolar gas concentrations in these varying scenarios, offering a clear understanding of the physiological changes that occur. The lecture also covers the concepts of physiological shunt and dead space. Dr. Faiza defines physiological shunt and explains its causes and effects on gas exchange, distinguishing it from anatomical dead space. She also discusses physiological dead space in detail, including how it is calculated using the Bohr equation. The components and significance of the Bohr equation are thoroughly explained, and practical examples of its application are provided. Further, the lecture examines the variations in V˙/Q˙ ratios in different regions of the lung and under different conditions, such as lying versus supine and resting versus exercise. Dr. Faiza analyzes how these variations affect pulmonary function and discusses the abnormal V˙/Q˙ ratios seen in chronic obstructive lung disease (COPD) and their clinical implications. Finally, Dr. Faiza explores the clinical implications of abnormal V˙/Q˙ ratios. She identifies clinical conditions associated with these abnormalities, such as COPD and emphysema, and discusses the physiological and clinical consequences on respiratory function. The lecture emphasizes the importance of understanding these concepts for medical professionals and students, highlighting their relevance in diagnosing and managing respiratory conditions. This comprehensive lecture provides valuable insights for medical students, healthcare professionals, and anyone interested in respiratory physiology. Participants will gain a deep understanding of how ventilation and perfusion work together to optimize gas exchange in the lungs and how deviations from the norm can lead to significant clinical issues.
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For inquiries, contact us at [info@medicoseacademics.com](mailto:info@medicoseacademics.com) or +92 310 7990649.
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Explore our content on YouTube: [Medicose Academics YouTube Channel](https://www.youtube.com/@MedicoseAcademics)
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For inquiries, contact us at [info@medicoseacademics.com](mailto:info@medicoseacademics.com) or +92 310 7990649.
🔗 Stay Connected!
Explore our content on YouTube: [Medicose Academics YouTube Channel](https://www.youtube.com/@MedicoseAcademics)
Follow us on Facebook: [Medicose Academics Facebook Page](https://www.facebook.com/medicoseacademics)
Connect on Instagram: [Medicose Academics Instagram](https://www.instagram.com/medicoseacademics)
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Cytoskeleton, Cell Inclusions, Dr. Muhammad Ali Rabbani, Anatomy Lecture, Medical Education, Microtubules, Microfilaments, Intermediate Filaments, Motor Proteins, Intracellular Transport, Actin Filaments, Myosin Motors, Inclusion Bodies, Fat Droplets, Glycogen Granules, Lipofuscin, Hemosiderin, Medicose Academics.
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2. Chapter 30 and 32, Ganong’s Review of Medical Physiology, 26th edition
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Jurnalul Fericirii Life Care - Iulie 2024
Descoperă Bucuria Vieții Sănătoase cu Jurnalul Fericirii Life Care - Iulie 2024!
Gata să te bucuri de o vară vibrantă și plină de energie? Life Care îți vine în ajutor cu Jurnalul Fericirii din Iulie 2024, un ghid complet pentru o viață armonioasă și echilibrată.
Pe parcursul a cateva de pagini pline de informații utile și inspirație, vei descoperi:
Sfaturi practice pentru o alimentație sănătoasă:
Rețete delicioase și ușor de preparat: Bucură-te de preparate gustoase și nutritive, perfecte pentru zilele călduroase de vară.
Recomandări pentru o alimentație echilibrată: Asigură-ți aportul necesar de nutrienți esențiali pentru un organism sănătos și plin de vitalitate.
Sfaturi pentru alegeri alimentare inteligente: Învață cum să faci cumpărături sănătoase și să eviți tentațiile nesănătoase.
Trucuri pentru un stil de viață activ:
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Sfaturi pentru o stare de bine mentală:
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Sfaturi pentru cultivarea optimismului și a gândirii pozitive: Descoperă cum să abordezi viața cu o perspectivă optimistă și să atragi mai multă bucurie în ea.
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Bonus:
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Causes Of Tooth Loss
PERIODONTAL PROBLEMS ( PERIODONTITIS, GINIGIVITIS)
Systemic Causes Of Tooth Loss
1. Diabetes Mellitus
2. Female Sexual Hormones Condition
3. Hyperpituitarism
4. Hyperthyroidism
5. Primary Hyperparathyroidism
6. Osteoporosis
7. Hypophosphatasia
8. Hypophosphatemia
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CARIES/ TOOTH DECAY
Causes Of Tooth Loss
CAUSES OF TOOTH LOSS
Consequence of tooth loss
Anatomic
Loss of ridge volume both height and width
Bone loss :
mandible > maxilla
Posteriorly > anteriorly
Anatomic consequences
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Anatomic consequences
Tipping of the adjacent teeth
Supraeruption of the teeth
Traumatic occlusion
Premature occlusal contact
Anatomic Consequences
Anatomic Consequences
Physiologic consequences
Physiologic Consequences
Decreased lip support
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Physiologic Consequences
Physiologic consequences
Education of Patient
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Initial Placement Procedures
Periodic Recall
Education of Patient
Informing a patient about a health matter to
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Diagnosis, Treatment Planning, Design, Treatment, Sequencing, and Mouth Preparation
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caries
the condition of existing restorations
periodontal conditions
responses of teeth (especially abutment teeth) and residual ridges to previous stress
The vitality of remaining teeth
Continued…..
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Arch form
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Support for Distal Extension Denture Bases
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Support for Distal Extension Denture Bases
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