Symptoms of Legionnaires' disease generally start ________ days after a person has been infected.

You have arrived at a residence to help another crew with a 62-year-old woman who is complaining of fatigue, chest discomfort, and diaphoresis. The EMTs on scene report that she has a history of hypertension for which she takes a blood pressure pill and is prescribed nitroglycerin because she has atherosclerosis. She also reports an allergy to aspirin. Vitals are pulse 64, respirations 16, blood

pressure 128/86, and SpO2 97% on room air. Which of the following statements made by the EMTs would require immediate intervention on your part? A) "I am not going to attach the AED, because she is conscious and has a pulse." B) "I am going to put her on high-concentration oxygen because she had chest pain." C) "I will contact medical direction for permission to administer her nitroglycerin." D) "I am not going to give her any aspirin, because she says that she is allergic to it."

Pulse contour analysis uses a(n) ____ and other data to derive the cardiac output.

A. arterial catheter B. central venous catheter C. pulmonary arterial pressure waveform D. PCWP waveform