16. Causes of artifacts on an EKG tracing include: OA. Muscle tremor OB. Poor electrode contact with the skin O C. External chest compression D. All of the above
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- 12. The nurse notices that the client has a hematocrit of 70 percent. This level of hematocrit will most likely affect the vital signs in which of the following ways? A. The blood pressure will be elevated. B. The pulse will be low. C. Temperature will be elevated. D. Blood pressure will be low.4. Mr. Kee is intubated with a 7.5 mm orotracheal tube. He is in the ICU on a ventilator. The low-exhaled-volume alarm is sounding and Mr. Kee is phonating. His respiratory rate is 32 breaths/ minute, the heart rate is 122 bpm, and the pulse oximeter is 89 percent. You measure the cuff pressure to be 30 cm H2O, and the pilot tube and valve are intact. What would be your recommendations to remedy this situation?References A Aa v A DA Po V ● ● ● ● Mailings Review ● a v View | ↓ Juárez de Ku Modified from S. Strong & S. Mathis Tell me V 5. Be able to identify the parts of an ECG indicated below on a normal lead II trace. Practice using the trace below. Use this interactive activity to practice. P wave QRS complex T wave PR segment ST segment TP segment T ✔ AaBbCcDdEe AaBbCdEe Normal No Spacing AaBbCcDc AaBbCc Aa BbCcD Heading 1 Heading 2 Heading Page 10 of 16 BIOL 2102 Anatomy O Dhivatalos 11
- 1. is the rhythm regular or irregular 2. determine the heart rate 3. do you have p waves before every QRS 4. Measure the PR interval 5. Measure the QRS duration 6. Are there any early or extra beats 7. is there normal r wave progression in V1-V6? 8. Are the ST segments elevated or depressed? 9. Are there any abnormal Q waves? 10.. Are the T waves of normal size? 11. Are there any U waves? 12. Is there evidence of myocardial ischemia, injury, or infarction? 13. Name this EKG.9. Explain the effects of exercise on each of the following components of an EKG: Why? Increases or Decreasess with Exercise? Duration of RR Interval (time of one heartbeat) Heart Rate (calculated) Duration of P wave Duration of QRS complex Duration of T wave Duration of PR segment Duration of ST segment Duration of TP segmentCerebral Aneurysms and AVM's are a risk factor for: O Epidural hematoma Subdural hematoma Ischemic stroke O Subarachnoid hemorrhages
- 4. A 54-year-old woman is brought to the emergency department because of a 30-minute history of severe chest pain. Her temperature is 37C (98.6F), pulse is110/min, respirations are 20/min, and blood pressure is 70/40 mm Hg. Physical examination shows cold, clammy skin. There is no urine output. Cardiac catheterization shows occlusion of the anterior interventricular (left anterior descending) artery and a markedly decreased cardiac output. A decrease in which of the following is most likely in this patient?A.Arterial H+ concentration O B. Mixed venous oxygen tension C. Pulmonary artery pressure D. Serum angiotensin |I concentration E. Serum epinephrine concentration F. Tissue lactate production4. A client is prescribed and receiving hydromorphone. Upon assessment the client's respiratory rate is 11 breaths per minutes. What is the most appropriate next action by the nurse? A. Administer the hydromorphone as scheduled B. Apply oxygen before hydromorphone administration C. Hold the hydromorphone and contact the prescriber D. Discontinue the hydromorphone17. Match the ECG wave information with the appropriate action potential in the following columns: a.P wave e.Depolarization of the AV node b.QRS complex f.Repolarization of ventricles c.PR segment g.Depolarization of ventricles d.T wave h.Depolarization of the atria Match the itmes in the left columns to the right columns.
- 9. Patients with diastolic heart failure have abnormalities in LV relaxation and distensibility that can be characterized in PV loops, and by echocardiography. Which phase in the PV loop represents the time of isovolumetric relaxation of the LV that can be affected during diastolic failure? 120 LV Pressure 80 (mm Hg) 40 в 20 60 100 140 180 220 LV Volume (ml) A. A B. C. D. DList 4 observations and provide a rationale for the observations that you would make when assessing the peripheral IVT in a patient. (IVC assessments are only one observation)the 3 2 > Match the appropriate component of the electrocardiogram with the number on the ECG aka EKG. T S R Q 1. 1 2. 2 3. 3 4. 4 5. 5