You are assessing a 59-year-old patient who has a serious cardiac condition, and you notice that he has no palpable pulse or blood pressure despite being conscious and alert. What device does he likely have?

Based on the patient’s presentation, select whether each symptom is more consistent with pulmonary embolism (PE) or anaphylaxis. Scenario: A 54-year-old female presents with sudden shortness of breath. She is upright, grasping for air, and unable to speak in full sentences. Her respiratory rate is 34, and she has audible wheezing. She appears pale, diaphoretic, and her SpO2 on room air is 85%. Lung sounds reveal diffuse wheezing. Her heart rate is 126 bpm and regular, and her bP is 148/90 mmHg. There are no signs of trauma or chest pain.

An adult female patient with a history of type 2 diabetes complains of dark urine and generalized weakness for the last few days. Her respirations are 18 breaths per minute with an oxygen saturation of 92%. Her pulse is 126 beats per minute, and her blood pressure is 100/70 mmHg. After high-flow oxygen therapy, her blood glucose is 650 mg/dL. If the patient does not receive medical intervention, which of the following is most likely to occur?

Which of the following is a likely sign of decompensated shock that may not occur in compensated shock?

You are assessing an unresponsive 58-year-old male who has only a few shallow gasps per minute. Aside from quickly checking his pulse, your treatment of this patient should involve: 

Epinephrine is used to treat anaphylaxis. Identify whether the therapeutic effect of epinephrine comes from alpha or beta receptors in the sympathetic nervous system. 

Which of the following ECG leads are placed on the limbs to obtain a 12-lead ECG?  Select the two answer options that are correct. 

Based on the patient’s presentation, select whether each symptom is more consistent with acute myocardial infarction (AMI) or unstable angina. A 58-year-old male presents with sudden chest pain and shortness of breath. He has a history of hypertension and high cholesterol. He appears pale and anxious, with rapid, irregular heart rate and low blood pressure. Crackles are heard in both lungs. 

An adult female patient was involved in a motor vehicle crash with major compartment intrusion. She is conscious but disoriented with a current Glasgow Coma Scale score of nine. She is hypotensive and bradycardic with a thready, irregular carotid pulse. Her abdomen is flat and non-tender on palpation. Her extremities remain warm and dry, and she extends her legs when stimuli are applied.  Which of the following types of shock is most likely causing these findings?

A component of blood that is critical to the body’s response to infection is: