Author

Gregory J. Dyer

Gregory J. Dyer, DNP, AGACNP-BC, manages postoperative cardiac surgical patients in an intensive care unit in Berkeley, California. He worked as an intensive care respiratory therapist before completing his BSN at Eastern Kentucky University and his doctoral training at Western Kentucky University. In addition to teaching physiology to allied health students, Dyer contributes to Biology Insights.

What Is Slow Vital Capacity and Why Is It Important?
How Does Aspiration Cause Cardiac Arrest?
What Is Bronchophony and What Does It Indicate?
Does Vomiting Cause Alkalosis or Acidosis?
What Is the Normal Range for Pulmonary Vascular Resistance?
Is Vomiting Acidosis or Alkalosis?
How Does Positive Pressure Ventilation Affect Cardiac Output?
What Does Sinus Rhythm With a Short PR Interval Mean?
What Is Hypoxic Drive and When Does It Occur?
Why Is a Right-to-Left Shunt Dangerous?
Why Is It Bad to Intubate Asthmatics?
Carbon Dioxide Narcosis: Causes, Symptoms & Management
Does High Flow Nasal Cannula Provide PEEP?
How to Calculate PAO2 Using the Alveolar Gas Equation
How to Calculate Airway Resistance: Formula & Methods
What Is Transpulmonary Pressure and How Is It Measured?
Does the Valsalva Maneuver Increase Preload?
How to Calculate Inspiratory Capacity
Why Does Diastolic Pressure Stay the Same During Exercise?
Why Does Aortic Regurgitation Decrease Diastolic Pressure?
Where to Listen for Stridor and What It Means
What Happens to Ejection Fraction During Exercise?
What Is a Pulmonary Shunt and How Does It Affect Oxygen?
What Causes an Air Leak in a Chest Tube?
Why Does the Aortic Valve Close Before the Pulmonic?
How to Treat Respiratory Acidosis
What Is Pressure Support Ventilation (PSV)?
How to Read a Ventilator: Modes, Readings, and Alarms
What Is Volume Control Ventilation and How Does It Work?
What Do Distant Heart Sounds Mean?