1-3. Refers to the electrocardiogram (ECG) tracing below.1. Identify the wave at the arrow.2. What electrical event is indicated by the wave?3. What is the unit for the X-axis of the graph?

We know that Electrocardiogram (ECG) is a test that is used to determine the electrical activity…

Answered: 1-3. Refers to the electrocardiogram…

Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach

5th Edition

ISBN:9781285244662

Author:White

Publisher:White

Chapter6: Electrocardiography

Section: Chapter Questions

Problem 10SEPT

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While downhill skiing, Jerry lost control and appeared to hit into a tree, chest first. The ski patrol that are also certified in EMT reported that Jerry was found with his head cocked at a peculiar angle and it looked like he had a fracture at the position of the C2 vertebra. During triage, Jerry appeared cyanotic and apneic. His heart was still beating, but his pulse was fast and thready. b) What would be the best possible explanation for the cyanosis?
2. Joe Smoker is an overweight 57-year-old white male who was mowing his lawn when he experienced sharp chest pain along with pain in his left arm. His wife rushed him to the hospital, fearing that he was having a heart attack. In the clinic, the physician examined Joe and sent him for an electrocardiogram (ECG) and blood work. A. What laboratory tests will lead the physician to the diagnosis of the patient? B. What is the probable diagnosis of the patient? C. List and discuss some risk factors of the disease.
6. The word root erythr/o means?.
In electrocardiography (=EKG, =ECG), what causes a P wave?______ A. atrial repolarization B. ventricular repolarization C. atrial depolarization D. ventricular depolarization
16. Basic Cardiac Monitoring: The Electrocardiogram • What factors influence how a clinician chooses to analyze an ECG rhythm strip? • Describe a particular ECG analysis method and identify its benefits. • Describe the advantages and disadvantages to the various treatment methods for cardiac arrhythmias.
6. What is the difference between the PR interval and the QT interval in electrocardiography?
Case:A 20-year-old man, height 5.8 ft and weight 65 kg, with no past medical history presented to a primary stroke center with sudden left sided weakness and imbalance followed by decreased level of consciousness. Head CT scan showed no hemorrhage, no acute ischemic changes, and a hyper-dense basilar artery. The CT angiography shoed a mid-basilar occlusion. Physician order to start 3% Sodium Chloride 1 Liter with the dose of 1ml/kg/hr via peripheral line.The available preparations of Sodium Chloride at the Hospital Pharmacy are:1. 0.9% Sodium Chloride 1L2. Sodium Chloride 50mEq/20ml vialActivity:1. Determine how many mL of 0.9% Sodium Chloride and Sodium Chloride 50 mEq/20ml are needed to make 3% Sodium Chloride 1 liter. Show your computation.2. What will be the rate of infusion (ml/hr) to be given to the patient.3. Is 3% Sodium Chloride infusion recommended to be infused via peripheral line? Please providereference for your answer.
What could it mean if the capillary refill time measures 2 seconds in the digits of one hand and 10 seconds in the digits of the other hand?
Contraction of __________ drives the flow of blood through the aorta and pulmonary arteries. a. atria b. ventricles
An electrical difference across the fibers of the heart is called the A. Absolute refractory period B. Resting membrane potential C. Action potential D. Depolarization

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1-3. Refers to the electrocardiogram (ECG) tracing below. 1. Identify the wave at the arrow. 2. What electrical event is indicated by the wave? 3. What is the unit for the X-axis of the graph?