NUR 105 CARDIAC
- Blood flow through the heart
Answer -superior/inferior vena cava
-right atrium -tricuspid valve -right ventricle -pulmonary valve -pulmonary artery -lungs -pulmonary veins -left atrium -mitral valve -left ventricle -aortic valve -aorta -body
- Afterload
Answer resistance to left ventricle must overcome to circulate blood
- Preload
Answer volume of the blood in ventricles at end of diastole
- Ejection Fraction
Answer amount of blood pumped out of the ventricle/total amount of blood in ventricle
- Cardiac Output 1 / 3
Answer heart rate x stroke volume
- echocardiogram
Answer ultrasound of the heart
-measures the size of the heart, ejection fraction, and cardiac output
- transesophageal echocardiogram (TEE)
Answer Provides very detailed view of the posterior cardiac structures
- StressTest (Physical)
Answer Provides information regarding the workload of the heart
- Stress Test (Chemical)
Answer for patients that are unable to exercise, due to disability, medications such as Adenocard is given to the heart instead of using a treadmill
- Venous Doppler Ultrasound
Answer Evaluates blood as it flows through a blood vessel
- magnetic resonance imaging (MRI)
Answer allows noninvasive examination of blood vessels
- Ankle-Brachial Index (ABI) 2 / 3
Answer A comparative test of blood pressure of ankle vs arm to monitor the blood flow
- congestive heart failure (CHF)
Answer The inability of the heart to provide tissues and other major organs an adequate amount of O2 in blood
- Causes of CHF
Answer Anything that has damaged or weakened the heart
-CAD / MI
-cardiomyopathy -myocarditis -endocarditis
-congenital heart defects -dysrhythmias
- Risk factors of CHF
Answer -HTN
-CAD -Diabetes -congenital heart defect -rheumatic fever -alcohol / tobacco -obesity -dysrhythmias -diet -sedentary lifestyle -chemo -pregnancy
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