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Read the Scenario and answer the questions. Emergency Room-…

Read the Scenario and answer the questions. Emergency Room- Patient Report Mr. Smith was seen by the emergency medical technicians (EMTs) and found to have tachycardia. Lidocaine (a cardiac antiarrhythic) was stated and by the time he reached the ER his heart rate was between 75-80 with a sinus rhythm. He had excellent ST segments and T waves. Blood pressure was 156/88. He had a good carotid pulse bilaterally. No cardiomegaly and no murmurs were detected. He was started on a cardiac monitor and observed for any ECG change. He had no episode of hypotension and no further arrhythmia. There was no evidence to do cardiac enzyme studies, and the patient was discharged to be followed by his physician. 1. What type of problem did the patient have before coming to the ER? A. Chest pain B. Low blood pressure C. High blood pressure D. Rapid heartbeat 2. What did the EMTs do for the patient? A. They administered an electrocardiogram and put him on a heart monitor B. They administered a drug to reverse his arrhythmia C. They checked his cardiac enzymes and got him to the hospital D. They shocked his heart into a normal rhythm 3. What is a sinus rhythm? A. a normal heart rhythm B. a rapid heart beat C. a very slow heartbeat D. An abnormal heartbest caused by respiratory problems 4. ST and T waves are elements of A. an EEG B. an ECG C. MRI D. Echocardiogram