Notes in 20 Respiratory Monitoring

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Published	12/13/2023	The three arteries coming off the aorta are (from right to left):{{c1::innominate}}, {{c2::left common carotid}}, {{c3::left subclavian}}
Published	12/13/2023	What is the primary disadvantage of sidestream capnographs in all populations?{{c1::Delay in gas detection}}
Published	12/13/2023	In mass spectrometry, a magnetic field separates ions according to their {{c1::mass-to-charge ratio}}.
Published	12/13/2023	Raman spectrometry measures the fraction of light {{c1::absorbed and remitted at a characteristic wavelength}}
Published	12/13/2023	{{c1::Cardiac oscillations}} on the EtCO2 are seen due to heart beating against the lungs.
Published	12/13/2023	Overdistension of alveoli due to barotrauma or volutrauma predisposes a patient to the development of a {{c1::pneumothorax}}.
Published	12/13/2023	How do you calculate airway resistance?{{c1::Resistance = (Pairway - Palveolar) / Gas flow rate}}
Published	12/13/2023	{{c1::Static}} compliance measures lung compliance in the absence of airflow.
Published	12/13/2023	{{c1::Dynamic}} compliance measures lung compliance during air movement.
Published	12/13/2023	Which measure of pulmonary compliance accounts for airway resistance?{{c1::Dynamic compliance}}
Published	12/13/2023	The risk of barotrauma increases when the plateau pressure exceeds {{c1::35}} cm H2O
Published	12/13/2023	In an adult, the normal static compliance is {{c1::35}} - {{c1::100}} mL/cm H2O.
Published	12/13/2023	In a child, the normal static compliance is >{{c1::15}} mL/cm H2O.
Published	12/13/2023	A normal EtCO2 is {{c1::35}}-{{c1::40}} mmHg.
Published	12/13/2023	On a capnograph, a normal α angle is {{c1::100}}-{{c1::110}} degrees.
Published	12/13/2023	What capnograph abnormality is specific to wide β-angle?{{c1::Faulty inspiratory valve}}
Published	12/13/2023	Use of a sidestream capnograph requires a water trap due to {{c1::condensation}}.
Published	12/13/2023	A {{c1::high}} EtCO2 is generally due to increased CO2 production or decreased alveolar ventilation.
Published	12/13/2023	In what patients do biphasic expiratory plateaus occur?{{c1::Patients with single-lung transplant}}
Published	12/13/2023	Metabolic {{c1::acidosis}} will decrease the EtCO2
Published	12/13/2023	Metabolic {{c1::alkalosis}} will increase the EtCO2
Published	12/13/2023	At the {{c1::trough::peak/trough}} of the pulse oximeter waveform, there is more {{c2::venous::arterial/venous}} blood in the tissue sample.
Published	12/13/2023	At the {{c1::peak::peak/trough}} of the pulse oximeter waveform, there is more {{c2::arterial::arterial/venous}} blood in the tissue sample.
Published	12/13/2023	Pulse oximeters can measure {{c1::fluid responsiveness}} via {{c2::pulse pressure variation}}.
Published	12/13/2023	Methemoglobin absorbs light at 660 nm and 940 nm in a {{c1::1:1}} ratio.
Published	12/13/2023	The pulse oximeter is often inaccurate in patients undergoing cardiopulmonary bypass (CPB) due to {{c1::non-pulsatile flow}}.
Published	12/13/2023	The pulse oximeter may read falsely {{c3::low}} in patients with {{c1::tricuspid regurgitaiton}} due to {{c2::venous pulsations}}.
Published	12/13/2023	{{c1::Piezoelectric crystals}} can detect exhaled gases via absorption of gases by the lipid layer.
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