What is the primary cause of dissecting aortic aneurysms? {Ans: Uncontrolled hypertension}You arrive on scene to find a conscious 58YOF sitting up and reporting severe chest pain and SOB. She is anxious and "feels like she's going to die." Her skin is pale, cool, and clammy and her pulse is rapid, weak, and irregular. Her breathing is labored, with a RR of 28 breaths/min. Her SpO2 is 90%. Lung sounds show crackles in all fields, and BP is 92/60 mmHg. What is your differential diagnosis of the patient? {Ans: Cardiogenic shock}When performing CPR on an adult, you should compress the chest to a depth of ___ at a rate of ___. {Ans: 2.0-2.4 in, 100-150BPM}Systolic pressure is the: {Ans: maximum pressure generated in the arteries during contraction of the left ventricle}Non-shockable rhythms: {Ans: Asystole, pulseless electrical activity}Which chamber of the heart receives incoming unoxygenated blood? {Ans: Atrium}