EKG Final Exam Review Questions

EKG Final Exam Review Questions The first part of the Cardiac Cycle is called: Ans- Atrial Depolarization ECGs are most often performed along with the routine annual physical examination every: Ans- 5 to 10 years The ECG tracing is generated in about __ on a single 8 x 10 sheet of ECG paper. Ans- 1 minute Who interprets an ECG? Ans- Provider ECG paper for single-channel machines comes in which form? Ans- Roll The paper moves through an ECG machine at a rate ___ Ans- 25 mm per second The distance across ___ large square(s) on ECG paper represents 1.0 second Ans- 5 The bipolar leads are attached to which parts of the body? Ans- Upper outer arms and inner lower calves Which ECG lead records the voltage difference between the left arm and left leg? Ans- Lead III The ___ records the heart's voltage difference between the left leg electrode and a central point between the right arm and left arm Ans- aVF Cardiac patients should be instructed to: Ans- Take their prescribed medication regularly and report any problems immediately If the ECG tracing is too large, the sensitivity dial should be turned down to 1/2 to produce a standardization mark: Ans- 5 mm high and 2 mm wide If the ECG cycles are too close together, the speed can be changed to ___ Ans- 50 mm per second When placing the ECG electrodes on a patient's lower leg, the connectors should point: Ans- Up Produces a heart rate that ranges from 400 to 500 BPM Ans- Atrial Fibrillation Premature ventricular contractions are not commonly seen in patients with: Ans- Leukemia Ventricular fibrillation is seen in patients with: Ans- Cardiac disease When using a Holter monitor, the ECG electrodes are attached to a patient's: Ans- Chest wall The tricuspid valve is located between the: Ans- Right atrium and ventricle Blood flows out from the __ and into the aorta Ans- Left ventricle The __ walls are thin, one cell-structures Ans- Capillary Which type of cardiovascular test uses sound waves to help identify deep vein thrombosis? Ans- Doppler ultrasonography Which type of cardiovascular test measures the passage of blood through the coronary arteries to the myocardium? Ans- Myocardial perfusion imaging Which type of aneurysm is detectable on palpation as a pulsating mass in an area around the umbilicus? Ans- Abdominal aortic aneurysm The term __ is used to identify any abnormal changes in the heart rhythm Ans- Arrhythmia With congestive heart failure (CHF), the myocardium of the __ is most commonly affected Ans- Left ventricle Which of the following is a condition in which the heart pumps too weakly to supply the body with blood? Ans- Heart failure A patient is considered to have hypertension if the blood pressure is consistently elevated above: Ans140/90 Which of the following is a disease in which the walls of the ventricles of the heart are markedly thickened? Ans- Hypertrophic cardiomyopathy Which of the following is not a common cause of hypertension? Ans- Poor diet Which of the following conditions involves the localized inflammation of a vein? Ans- Phlebitis