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Pulmonary Volumes

Jul 19, 2012

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Pulmonary Volumes

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1. 22 March 2010 Resp-Volumes.ppt 1 Pulmonary Volumes Measured with spirometer Inverted �bell� in double walled cylinder Water fills space between double walls Hose connects subject to volume of bell

2. 22 March 2010 Resp-Volumes.ppt 2 Pulmonary Volumes Tidal volume Volume (ml) of air moved in one breath Rest = 500 ml (0.5 L) After exercise = 2 � 3 L Inspiratory reserve volume Expiratory reserve volume Residual volume

3. 22 March 2010 Resp-Volumes.ppt 3 Pulmonary Capacities �Capacities� are sums of volumes. Vital capacity = TV + IRV + ERV Total Lung Capacity = Vital capacity + Residual volume

6.2 Volumes

6.2 Volumes. If a region in the plane is revolved about a line, the resulting solid is called a solid of revolution , the line is called the axis of revolution . The Disc Method The Washer Method. the strip is perpendicular to the axis of revolution. A. Volume: The Disc Method.

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Measuring Volumes

Measuring Volumes. Select Volume. Measuring Statistics. Select Volumes. Select Label.

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Bounding Volumes

Bounding Volumes. Bounding Volumes. Use simple volume. enclose object(s). if ray doesn’t intersect volume it doesn’t intersect what’s inside. tradeoff for rays where there is extra intersection test for object intersections volume intersections, but not object intersections v.

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VOLUMES FINITOS

mar-14. Prof. Dr. Ricardo Augusto Mazza. 2. BIBLIOGRAFIA. Suhas V Patankar Numerical Heat Transfer and Fluid FlowVersteeg H. K. and Malalasekera W An introduction to computational fluid dynamics: The finite volume method. mar-14. Prof. Dr. Ricardo Augusto Mazza. 3. Forma geral da equao de

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Composite Volumes

Composite Volumes. Volume of sphere = 4 / 3 π r 3. ?. = 4 / 3 X π X 6 3 = 904.78cm 3. Volume of hemi sphere = 904.78 ÷ 2 = 452.39 cm 3. Volume of Cylinder = π r 2 h. ?. √. 6cm. = π X 6 2 X 10 = 1130.97 cm 3. 16cm. 10cm. Total Volume = 1130.97 + 452.39

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Lung Volumes

Inspiratory Reserve Volume : Volume that can be inspired beyond a restful inspiration Tidal Volume : Volume of a single breath, usually at rest Expiratory Reserve Volume : Volume which can be expired beyond a restful expiration Residual Volume :

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7.3 Volumes

7.3 Volumes. Disk and Washer Methods. Suppose I start with this curve. My boss at the ACME Rocket Company has assigned me to build a nose cone in this shape. So I put a piece of wood in a lathe and turn it to a shape to match the curve. The volume of each flat cylinder (disk) is:.

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Volumes

Volumes. Right Cylinder. Volume of a Right Cylinder (Slices). Cross section is a right circular cylinder with volume . Also obtained as a solid of revolution. Consider the case when h=5 and r=2. Volume of a Rectangular Box. Area of a cross section is b*l.

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Volumes

Volumes. If S is a solid that lied between x = a and x = b and the cross sectional area is A(x), then the volume is . Definition.

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Volumes

Volumes. Tidal Volume (TV) = volume of air during one resting respiratory cycle. Expiratory Reserve Volume (ERV) = volume of air that can be forcefully expired, following a resting expiration.

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3. Volumes

3. Volumes. Volume. Let’s review how to find volume of a regular geometric prism. Whether it be a circular prism (cylinder), triangular prism, rectangular prism, etc., if we can find the area of the face, we need only to multiply by the distance between the two faces, h. In general V = A*h.

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PULMONARY FUNCTION TESTS Effort dependent tests - Forced expiratory volumes/flow rates

PULMONARY FUNCTION TESTS Effort dependent tests - Forced expiratory volumes/flow rates Effort independent tests - Relaxed vital capacity - Helium static lung volume Gas diffusion tests - CO transfer factor - Arterial blood gases (resting) - SaO 2 during exercise.

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Volumes

Volumes. Lesson 6.2. Cross Sections. Consider a square at x = c with side equal to side s = f(c) Now let this be a thin slab with thickness Δ x What is the volume of the slab? Now sum the volumes of all such slabs. f(x). c. a. b. Cross Sections. This suggests a limit and an integral.

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volumes

volumes. Polyhedrons. What is a polyhedron?. Circles are not polygons. Identifying Polyhedrons. A polyhedron is a solid that is bounded by polygons, called faces , that enclose a single region of space. An edge of polyhedron is a line segment formed by the intersection of two faces

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Reacting Volumes

Reacting Volumes. Reactions of Gases. When we consider reactions of gases it is more convenient to use volumes instead of masses It is important to state the temperature &amp; pressure for gaseous reactions because volume changes if these conditions are altered. Standard Conditions.

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Respiratory Volumes

Respiratory Volumes. Used to assess a person’s respiratory status Tidal volume (TV) Inspiratory reserve volume (IRV) Expiratory reserve volume (ERV) Residual volume (RV). Respiratory Capacities. Inspiratory capacity (IC) Functional residual capacity (FRC) Vital capacity (VC)

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Control Volumes

Control Volumes. Thermodynamics Professor Lee Carkner Lecture 9. PAL # 8 Specific Heat. Piston of N 2 compressed polytropically Can find work from polytropic eqn. W = mR(T 2 -T 1 )/(n-1) Final pressure: P 1 V n 1 =P 2 V n 2 P 2 = (V 1 /V 2 ) 1.3 (P 1 ) = (2 1.3 )(100) =

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Respiratory Volumes

Respiratory Volumes. Tidal volume (TV) – air that moves into and out of the lungs with each breath (approximately 500 ml) Inspiratory reserve volume (IRV) – air that can be inspired forcibly beyond the tidal volume (2100–3200 ml)

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Respiratory Volumes

Respiratory Volumes. Used to assess a person’s respiratory status Tidal volume (TV) = The amount of air inhaled or exhaled with each breath under resting conditions Inspiratory reserve volume (IRV) = The amount of air that can be forcefully inhaled after a normal (TV) inhalation

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Respiratory Volumes

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