A 66-year-old female patient in septic shock has received fluid resuscitation, but their mean arterial pressure (MAP) is 52 mmHg. The nurse anticipates the administration of which one of the following?

Norepinephrine is a vasopressor medication commonly used in the management of septic shock. It acts as a potent vasoconstrictor to increase systemic vascular resistance and improve blood pressure. By constricting blood vessels, norepinephrine helps restore tissue perfusion and improve organ function.
A. Nitroglycerine (Tridil) in (option A) is incorrect because: Nitroglycerine is a vasodilator and would further lower blood pressure. It is not suitable for a patient with septic shock who already has low blood pressure.
B. Atenolol (Tenormin) in (option B) is incorrect because: Atenolol is a beta-blocker and would further decrease heart rate and blood pressure. It is not appropriate for a patient in septic shock who requires intervention to increase blood pressure.
C. Dobutamine (Dobutrex) in (option C) is incorrect because: Dobutamine is an inotropic medication used to increase cardiac output. While it can be helpful in certain types of shock, such as cardiogenic shock, it is not the first-line choice for septic shock when there is inadequate blood pressure response.

A. Auscultate for the presence of bilateral breath sounds.
It's an important check, but it is not the most reliable initial method because breath sounds can sometimes be misleading (for example, sounds may be heard in the stomach or transmitted incorrectly).

B. Use an end-tidal CO₂ monitor to check for placement in the trachea.
It's the correct answer. Continuous waveform capnography or end-tidal CO₂ detection is the most reliable and immediate method to confirm that the endotracheal tube is in the trachea and not in the esophagus. Presence of CO₂ indicates effective airway placement.

C. Observe the chest for symmetrical movement with ventilation.
Chest rise is helpful, but it is not specificboth esophageal and tracheal intubation may show chest movement.

D. Obtain a portable chest radiograph to check tube placement.
It's the gold standard for final confirmation, but it is not the initial bedside method because it takes time.