Critical Care Course

P wave - ANSWER Depolarization of the atria PR interval - ANSWER -Normal is 0.12 to 0.2 seconds - onset of atrial depolarization until onset of ventricular polarization QRS complex - ANSWER -Normal is 0.06 to 0.11 seconds -Ventricular depolarization -systole T wave - ANSWER -appears after QRS complex - Ventricular repolarization -Spiked T-wave occurs with hyperkalemia U wave - ANSWER - repolarization of the purkinje fibers - seen in patients with hypokalemia SA node - ANSWER...

You have just received change of shift report. Which patient should you assess first? a. 62 year-old man who is scheduled for a cardiac cath, and is ready to be transported now b. 58 year-old woman with COPD with an O2 saturation of 92% on 2 liters of O2, who is scheduled to be discharged home on O2 c. 36 year-old man admitted with an exacerbation of asthma with RR 36 at rest, and whose wheezing has diminished d. 72 year-old woman with history of asthma with HR 90 and is due for her beta-blo...

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