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Cardiovascular system bio 120
- 1. DIAGNOSTIC TESTS FOR THE CARDIOVASCULAR SYSTEM
- 2. The Cardiovascular System Function: Circulates blood throughout body Organs: Heart and blood vessels
- 3. The Heart
- 4. Electrical Activity of the Heart
- 5. Diagnostic Tests • Echocardiography • Holter Monitor • Stress Test
- 6. Echocardiography • Uses sound waves (ultrasound technology) to view the structure of the heart • Detects • Abnormal heart valves • Abnormal heart rhythms • Congenital heart disease (ie. Ventricular septal defects) • Damage to the heart • Inflammation of the pericardium • Source of blood clot • Types of Echocardiograms • Transthoracic echocardiogram (TTE) • Transesophageal echocardiogram (TEE) More invasive
- 7. Holter Monitor • Records the electrical activity and rhythm of the heart over an extend period of time • Portable • Detects • Palpitations • Arrhythmias • Atrial fibrillation or flutter • Heart irregularities that cannot be detected by an electrocardiogram (ECG)
- 8. Stress Test • Monitors the blood pressure and electrical activity of the heart under stressful conditions • Use electrocardiogram to monitor the rate and rhythm of the heart • Detects • Ischemia during exertion • Location of myocardial Infarction • Types • Exercise stress test • Dobutamine/Regadenoson stress test • Stress echocardiogram • Nuclear stress test
Editor's Notes
- ----- Meeting Notes (2/17/15 19:37) ----- eluminate the importance of the cardiovascular system diagnostic tests allow for a proper diagnosis and potential treatment for this system
- ----- Meeting Notes (2/17/15 19:37) ----- What is the CV system? purpose is to circulate blood throughout the body 2 organs associated... Heart=pump that moves the blood through the vessels blood vessels= highways to bring blood to and away from the heart
- ----- Meeting Notes (2/17/15 19:37) ----- this slide shows the heart in an anatomical position CV system (circulatory system) works in one constinuous motion -- pump the blood, the heart is dependent on electical activity that tells the heart to pump the atria or ventricles heart =very intricate organ lots of opportunities to have many complications with the heart may need diagnostic testing to diagnose the problem
- This slide shows the electrical pathway of the heart. The electrical activity begins in the SA node triggering the L &R atria to contract. It also sends signals to the AV where the signals are continued down to the L&R ventricles ….promoting ventricular contractions
- Echo cardia graphy
- ----- Meeting Notes (2/17/15 19:37) ----- good for detecting abnormalities in the heart structure, which may be due to congential heart disease such as...hole in the heart noninvasively observe the structure of the heart by placing the ultrasound probe on the chest of the patient involves an ultrasound probe that goes in the mouth down the esophageous of a patient
- electrodes Ecg=snapshot of a heart rhythm=> cant always record the irregularity ----- Meeting Notes (2/17/15 19:37) ----- electrodes
- ----- Meeting Notes (2/17/15 19:37) ----- Unique ischemia= lack of oxygenated blood infarction=death of cells localize myocardial infarction simulate exertion on the heart Cardiologist