Egan's Chapter 18 ECG Exam Questions & Answers Already Passed

Which node is the "backup" pacemaker? - AV node When should a ECG be obtained? - Patient has signs and symptoms of: MI & CHF Assessment tool to help determine pt's general health. Screening tool - pre-op surgery Hx of heart disease The resting ECG does reflect the pumping ability of the heart or the likelihood that the patient may have a myocardial infarction in the near future. - False Myocardial infarction, ventricular hypertrophy, or abnormal heart rhythms known as - Dysrhythmisa What is transthoracic pressure (Pw) - Alveolar pressure to body surface pressure What is transpulmonary pressure (PL) - Alveolar pressure to pleural pressure ( also defined as the transalveolar pressure What is Transrespiratory pressure (PTr)? - Airway opening pressure to body surface pressure