SPC Cardiopulmonary Physiology Unit 2
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| show | Ventilation w/o perfusion
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| show | Pulmonary Embolism (blood clot)
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| What is an Anatomic Shunt? | show 🗑
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| show | Atelectasis & Alveolar Fluid
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| Explain Anatomic Dead space | show 🗑
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| show | Non-perfused alveoli - alveoli that aren't receiving enough blood flow.
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| show | Anatomic + Alveolar dead space (Vd/Vt)
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| show | Forced Vital Capacity; maximum inhale followed by maximum exhale. Ideal Body Weight x 6 = FVC
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| What is the BOHR Equation? | show 🗑
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| What is the normal Vd/Vt range? | show 🗑
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| show | Lots of dead space. (#1 cause is pulmonary emboli)
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| show | Vd/Vt
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| Rapid, shallow breathing = | show 🗑
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| What is the major muscle of inspiration? | show 🗑
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| show | Phrenic nerve
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| What are the accessory muscles of inspiration? | show 🗑
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| show | Rectus abdominus, transverse abdominus, external oblique, internal oblique, internal intercostals
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| What is IRV? | show 🗑
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| show | Expiratory Reserve Volume. Maximum breath out from bottom of tidal volume (Vt).
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| What is RV? | show 🗑
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| show | Total Lung Capacity. Sum of all lung volumes.
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| What is VC? | show 🗑
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| What is IC? | show 🗑
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| show | Functional Residual Capacity. RV + ERV. Volume of gas in the lungs following a passive expiration.
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| show | Pneumonia, Pulmonary Edema
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| show | Kyphoscoliosis, Ascites, Gross Obesity
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| show | Used to compare adults & children
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| show | 0.080 L/cmH2O/L
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| What is Elastance? | show 🗑
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| show | 5cmH2O/L
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| show | Emphysema
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| show | The more alveoli in contact w/ other airways, the less likely they are to collapse.
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| What is surfactant? | show 🗑
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| show | Type II pneumocytes
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| What is LaPlace's Law? | show 🗑
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| show | Pressure goes up
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| If radius goes up, then ... | show 🗑
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| show | Directly proportional
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| If Surface Tension goes up, then Distending Pressure ... | show 🗑
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| show | Goes down
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| show | Increase
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| Large radius = ____ distending pressure | show 🗑
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| General causes of Surfactant Deficiency | show 🗑
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| show | ARDS, IRDS, pulmonary edema, drowning, oxygen toxicity
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| show | Low compliance; little V for lots of P.
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| show | High compliance; lots of V for little P.
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| show | Low lung compliance.
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| Causes of low lung compliance | show 🗑
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| show | High lung compliance.
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| Too much lung compliance can cause ... | show 🗑
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| Never allow Peak to hit ... | show 🗑
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| Never allow Plat to hit ... | show 🗑
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| Normal Airway Resistance | show 🗑
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| High value of Raw indicates: | show 🗑
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| show | Peak - Plat / flow
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| show | Vt / Plat - Peep
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| show | Vt / Peak - Peep
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| Es (Elastic static) equation: | show 🗑
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| show | Peak - Peep / Vt
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| show | Ease of flow - opposite of Raw.
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| Normal Conductance | show 🗑
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| show | Asthma, Chronic Bronchitis
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| What is Resistance? | show 🗑
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| show | 20
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| show | Impedance to movement of gas through the airways
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| Airway resistance is approximately __% of breathing resistance in healthy adults. | show 🗑
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| show | Bronchospasm, secretions, mucosal edema, low elastance, artificial airway(ET & Trach tubes)
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| WOB Calculation: | show 🗑
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| show | Flow ~ P x r(to the 4th power) Addresses laminar flow, occurs in the small airways <2mm in diameter. WOB increases when Diameter decreases.
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| show | 2rvd / n. # >2000 establishes turbulent flow.
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| Indications for use of low density gases: | show 🗑
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| What is the purpose of low density gases? | show 🗑
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| show | The time required for a lung unit to empty approx. 65% of a tidal volume of breath
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| show | Kt = Cl x Raw
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| show | .2 seconds
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| Long Time constant indicate: | show 🗑
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| Short Time constant indicate: | show 🗑
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| Short Time Constant = | show 🗑
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| Long Time Constant = | show 🗑
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| show | Cl / FRC. (Lung Compliance / Functional Residual Capacity)
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