You've known about the ventilation perfusion mismatch all along. #Paramedicbook #paramedicsoffacebook #medicsoffacebook #medicbook #emtsoffacebook #emsbook #Paramedic #paramedics #firstresponders #firstresponderbook #firstrespondersoffacebook #firefighterbook #firefightersoffacebook #paramedicstudent #emtstudent #emergencymedicine #ambulance #CriticalCareParamedic #CriticalCareParamedicsofFacebook #FlightParamedicsofFacebook #FlightParamedicBook #FPC #CCPC | EMS Avenger
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You've known about the ventilation perfusion mismatch all along. #Pa…
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The respiratory process consists of three components. Ventilation, diffusion and perfusion. Ventilation consists of two parts: - Inspiration, which is the expansion of the chest with a negative intrapulmonary pressure when air flows into the thorax; and - Expiration, when the intrapulmonary pressure is higher than the atmosphere, air will flow out of the lungs. Diffusion is the process whereby gases move from an area of high pressure to low pressure. This includes during: - Internal respiration
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The respiratory process consists of three components. Ventilation, diff…
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VQ MISMATCH: V is for ventilation (are they moving air in and out of the alveoli?) Q is for perfusion (are they circulating blood through the pulmonary circulation to drop off CO2 and pick up O2?) #ERNurse #EmergencyNurse #CEN #CFRN #CTRN #ICUNurse #NCLEX #NursingSchool #NursingStudent #Nurse #ICUNurse #CCRN #FlightNurse #FlightMedic #FPC #paramedic #criticalcare #HEMS | NurseGwenny
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VQ MISMATCH: V is for ventilation (are they moving air in and out of t…
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Diffusion and Perfusion limitations in Gas Exchange (Ch8)
Diffusion and Perfusion limitations in Gas Exchange (Ch8)
Nov 7, 2022
vt.edu
V/Q Mismatch — When Breathing Doesn’t Equal Oxygenation You’ve heard it before: Ventilation (V) and Perfusion (Q) have to match. When they don’t? That’s a V/Q mismatch — and that’s where things fall apart. • Shunt = Perfusion without ventilation Lungs are full of fluid? Collapsed? Air can’t get in. Blood flows anyway. (e.g. pneumonia, pulmonary oedema) • Dead Space = Ventilation without perfusion Air’s getting in — but blood isn’t. Blocked vessels, low flow. (e.g. PE, hypovolaemia) The result? H
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V/Q Mismatch — When Breathing Doesn’t Equal Oxygenation You’v…
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