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HomeAuthorsLisa Shultis

Articles by Lisa Shultis

About Lisa Shultis
Director, Division of Respiratory Care Long Island University 1 University Plaza Brooklyn, NY 11201
Respiratory therapist listening to breath sounds
Patient assessment

Eight respiratory patterns every Respiratory Therapy student must know and what they mean

December 2, 2019

Measuring the four vital signs temperature (T), pulse (HR), blood pressure (BP), and breathing (RR) is an essential part of the physical examination and provides information for patient assessment, monitoring, decision-making, and medical recordkeeping. As […]

Respiratory Calculations

Understanding Oxygenation: The Alveolar-arterial Gradient

October 29, 2019

Formula: PAO2 – PaO2 = P(A-a)O2 The Alveolar-arterial gradient (A-a gradient) is a mathematical equation that calculates how difficult it is for oxygen to cross the alveolar-capillary membrane. The equation utilizes two pressures; The partial […]

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