Cardiac output equations - Study guides, Class notes & Summaries

Emergency Nursing Practice 79 Questions with Verified Answers The client diagnosed with hypovolemic shock has a BP of 100/60. Fifteen minutes later the BP is 88/64. How much narrowing of the client's pulse pressure has occurred between the two readings? - CORRECT ANSWER Answer: 16 mmHg pulse pressure The pulse pressure is the systolic BP minus the diastolic BP. 100 - 60 = 40 mmHg pulse pressure in first BP reading 88 - 64 = 24 mmHg pulse pressure in second reading 40 - 24 = 16 mmHg pul...

TMC EXAM 2 Questions and Answers 2023 Graded A+A patient with CHF has the following input/output history Yesterday Today IN 1900 mL 2100 mL OUT 1000 mL 1100 mL Which of the following clinical findings is most likely to be observed? A. bronchial wheezing B. friction rub C. decreased egophony D. moist crepitant rales The correct answer is : D Explanation : This CHF patient is obviously retaining fluid because he is receiving more fluid in that he is putting out. The clinical find...

During normal inspiration, which of the following occurs? a. Alveoli at the apexes expand less than those at the bases. b. Alveoli at the apexes expand more than those at the bases. c. Alveoli at the bases and apexes expand almost equally. d. Alveoli at the bases expand less than those at the apexes. ANS: A Like perfusion, ventilation also is increased in the lung bases, with approximately four times as much ventilation going to the bases than to the apexes of the upright lung. DIF: Appl...

A patient is undergoing a cardiac workup and tolerance assessment while riding a stationary bicycle. After a few minutes of observing the patient, the respiratory therapist increases the tension to the cycle and observes the following change in blood pressure, SpO2, and heart rate: Before After HR 98 119 BP 122/85 mm Hg 149/98 mm Hg SpO2 0.97 0.95 A. administer Dobutrex (dobutamine). B. reduce the cycle tension to the previous level. C. continue the evaluation. D. discontinue...

RCIS Practice Test 2023/197 Questions and Answers- solved What is the formula for calculating cardiac output? - -CO= HR x SV -What is stroke volume related to? - -preload -Preload is most impacted by..... - -Increased filling volumes -A patient with chronic untreated hypertension would demonstrate.... - -Increased afterload -Vascular resistance/pressure is most influenced by.... - -Radius of the vessel -The formula for BP is.... - -BP = CO x SVR -What component of a Pulmonary Capillar...

Serum Osmolarity correct answers Serum Osmolarity = 2[Na+] + (glucose/18) + (BUN/2.8) Minute Ventilation correct answers VE = Vt x RR Alveolar Ventilation correct answers VA = (Vt - Vd) x RR Bohr Equation correct answers EtCO2 can be used instead of PeCO2 Ohm's Law correct answers Flow = Pressure Gradient / Resistance or CO = (MAP - CVP) / SVR Poiseuille's Law correct answers MAP Equation correct answers Cardiac Output Equation correct answe...

Lindsey Jones Practice Exam Qs w/ Explanations 1. A patient has undergone overnight oximetry. Data shows several episodes of O2 desaturation throughout the night. The RTT would expect orders for which of the following kinds of testing: a. V/Q scan b. pulmonary function testing c. polysomnography d. 24-hour Holter monitoring - ANSYour answer: C Correct answer: C The use of overnight oximetery is often used to detect O2 desaturation during the night that may be associated with...

Med-Surg: Cardiovascular Review Questions 2023 With Correct Answers. 1. A client complains of crushing chest pain that radiates to his left arm. He should be presented with the following treatment: 1. Aspirin, oxygen, nitroglycerin, and morphine 2. Aspirin, oxygen, nitroglycerin, and codeine 3. Oxygen, nitroglycerin, meperidine, and thrombolytics 4. Aspirin, oxygen, nitroprusside, and morphine - Answer Answer: 1. Aspirin, oxygen, nitroglycerin, and morphine 2. Which lifestyle changes sh...

Fundamentals of Respiratory Care Under what conditions will the alveolar PACO2 rise above normal? - ANS if VA decreases relative to carbon dioxide production A 70-kg male patient has a VCO2 of 200 ml/min and a VA of 9 L/min. From this information, what can you infer? - ANS The patient will have a lower than normal PACO2. What is the primary determinant of the PAO2? - ANS PO2 in the inspired gas A normal person breathing 100% oxygen at sea level would have PAO2 of about what ...

A patient receiving mechanical ventilation has received Halcion in the last twenty minutes. The physician orders the institution of spontaeneous breathing trials to commence immediately. Which of the following medications would be most helpful to the patient? A. Valium B. Romazicon (Flumazenil) C. Morphine sulfate D. Meperidine - Answer Answer: B. Romazicon (Flumazenil) In preparation for ventilator weaning the physician requests a VD/VT ratio assessment. Which of the following is need...