Right Atrium Right Ventricle Left Atrium Left Ventricle Receives blood from veins; pumps to right ventricle Receives blood from lungs; pumps to left ventricle Pumps blood to the lungs Pumps blood through the aorta to the body Four Chambers of the Heart
Mild to severe confusion Anxiety Increased respiratory rate Dyspnea (shortness of breath) Difficulty breathing while lying flat Cyanosis Distended neck veins Pink sputum Rapid heart rate Normal to high blood pressure Abdominal distention Edema of the lower extremities Causes of Cardiac Compromise Congestive Heart Failure
High Quality Compressions Research has shown that high quality CPR compressions can double, if not triple, survival if applied promptly. Always press hard, fast (at least 100/minute) and allow full chest recoil. K EY TERM
Mechanical CPR compressor devices can assist with high quality compressions during CPR.
Begin use early in the arrest.
Do not interrupt CPR for more than 10 seconds to apply.
1. What signs and symptoms should prompt you to treat a patient for cardiac compromise? 2. What are the indications, contra-indications, and dose for nitroglycerin? Review Questions
3. How many shocks should you give to a patient with a shockable rhythm? 4. What should you do when you get a no-shock message? Review Questions
5. Which patients in cardiac arrest should not have an AED applied? 6. When using an AED, what safety practices should you follow? 7. How can you be sure that your AED will work when you need it? Review Questions