Respiratory anatomy and physiology

(2:14) Respiratory anatomy and physiology focusing on oxygen and carbon dioxide exchange at the alveolar level. (companion to all ‘Asthma’ segments) PUL001

 

Respiratory physiology – nervous system control

(2:09) Neural control of respiration; phrenic glosso-pharyngeal nerves and their response to abnormal oxygen and carbon dioxide blood levels. PUL005

 

Respiratory physiology – inspiration

(0:27) Oxygen transport, from inhalation in to the lungs through distribution to the systemic arterial circulation and brain. PUL003

 

Respiratory physiology – expiration

(0:34) Carbon dioxide return from venous system to the lungs and subsequent exhalation. PUL004

 

The Cardiac Cycle

(14:17 –  narrated) In depth narrated review of the human cardiac cycle including cardiac anatomy, path of blood flow through the heart, action of the ventricles, atria & valves during systole and diastole, and oxygenation of the blood in the lungs CVS010 

 

Cardiopulmonary anatomy and physiology

(2:12) Review of right heart structure and function, cardiac cycle, stroke volume, pulmonary circulation and oxygen transfer at the alveolar level. PUL002

 

Pediatric Respiration

(2:58) Oxygen absorption and transport from lungs to bloodstream to brain, carbon dioxide ventilation. PUL006

Acute Respiratory Distress Syndrome (ARDS)

(1:02) Concept of increased capillary permeability (triggered by septicemia in this example) with subsequent pulmonary edema, as may occur in ARDS. IND003

Respiratory anatomy and physiology

(2:14) Respiratory anatomy and physiology focusing on oxygen and carbon dioxide exchange at the alveolar level. (companion to all ‘Asthma’ segments) PUL001

 

Asthma and Supplemental Oxygen

(0:58) Simple oxygen supplementation and lack of improvement in asthma when mucus plugging is not addressed. PUL022

Asthma

(2:22) Bronchospasm in asthma with effect on reduced inspiration/expiration, mucus plugging at alveolar level, reduced blood O2 and increased CO2 levels. PUL021

 

Asthma and ventilator support

(1:27) Treatment of severe asthma with ventilator support and tracheal suctioning of mucus. PUL023

Congestive Heart Failure

(10:05-narrated) Pathophysiology of congestive heart failure with review of cardiac cycle, left ventricular function, ejection fraction and pulmonary edema CVS180

 

Pulmonary Edema in Sepsis

(1:02) Concept of of increased capillary permeability (triggered by sepsis in this example) with subsequent pulmonary edema. IND003

 

Negative Pressure Pulmonary Edema

(5:02) caused by sudden spasm of the larynx (paroxysmal laryngospasm). Review of lung, chest cavity (thorax) and throat anatomy, as well as physiology of respiration. PUL052

Pulmonary Embolism

(21:59 – narrated) Causes and pathophysiology of pulmonary embolism, including physiology of blood oxygenation, formation of Deep Venous Thrombosis (DVT) and the role of heparin in treatment PUL041

 

Saddle Pulmonary Embolism

(1:48 – narrated) Process of embolization of a deep venous thrombosis to the main pulmonary arteries (saddle embolus) obstructing blood flow to the lungs, and resulting in critical loss of oxygen flow to the brain and heart PUL044

 

Deep Venous Thrombosis (DVT) Signs and Symptoms

Anatomical and Physiological mechanism underlying signs and symptoms in DVT of the lower limb PUL046

Heparin – Structure, Action and Role in Pulmonary Embolism

(7:32 – narrated) Comparison of Unfractionated and Low Molecular Weight Heparin, mechanism of prevention of clot formation, and role in treatment of Pulmonary Embolism and Deep Venous Thrombosis PUL043

 

Pulmonary Embolism 2

(2:01) Review of Venous return to the heart, formation of a Deep Venous Thrombosis (DVT) and subsequent embolization of clot to the pulmomary arterial system PUL045

 

Pulmonary Embolism 3

(3:15) Review of Venous return to the heart, formation of a Deep Venous Thrombosis (DVT) and subsequent Embolization of clot to the pulmomary arterial system with decreased systemic oxygenation; Recanalization of clot, then re-embolization and critical loss of systemic oxygenation PUL042

Tracheostomy and airway anatomy

(1:51) Typical tracheostomy setup, tracheostomy structure and placement, lungs, trachea, bronchial tree, vocal cords. (with sound) PUL031

 

Tracheostomy blockage with positional change

(0:32) Sudden blockage of tracheostomy tube due to shift in position. (with sound) PUL033

Tracheostomy blockage due to mucus plugs

(0:42) Sudden blockage of tracheostomy tube due to mucus plugging. (with sound) PUL032

Tuberculosis

(10:50 – narrated)  Review of infection with mycobacterium tuberculosis, with primary lung infection followed by latent state. Concept of reactivation with pulmonary infiltration and cavitation IND005