What is preload Study guides, Class notes & Summaries

Most important indicator that a patient has a severe illness? - ANSWER-Tachypnea 3 respiratory types, and their criteria - ANSWER-Hypoxemic (PaO2 <50-60) Hypercapnic (PaCO2 >50, pH <7.36) Mixed Delta gap (formula, when and why it's used) - ANSWER-Difference in AG from normal - Difference in HCO3 from normal In AG metabolic acidosis it's used. It tells you if there's underlying metabolic alkalosis or respiratory acidosis with bicarb compensation IN ADDITION to the AG metabo...

What are the functions of the Cardiovascular System? correct answers - Oxygen delivery & removal of CO2 - Provides cells with Nutrients - Remove waste product from cell metabolism - Protects body against disease & infection right side of heart correct answers deoxygenated blood pumps blood to the lungs left side of heart correct answers oxygenated blood pumps blood to body What is Preload? correct answers Volume of blood in ventricles at end of diastole Preload is increas...

A 26 year old female does not respond to verbal stimuli but moans in response to pain. A friend states the patient has ingested approx 150 amitriptyline tables. Vital Signs are BP 88/50 R16. You establish IV access and administer a fluid challenge. En route to the hospital her ECG shows a widening QRS. You should administer: Sodium Bicarbonate. 3. 3. You PT experienced trauma yesterday and you are transferring her to a larger facility. She has been experiencing progressive hypoxia. You not...

When the sympathetic nerve fibers are stimulated, the heart rate is ____________. elevated Electrode location sites should be rotated _______________ or when the pt is sweaty or has had a bath. q24h 00:10 01:49 What method is used to calculate atrial and ventricular rate for irregular rhythms? 6 second rule T or F: The qrs complex in MCL1 can be negative and still be normal. T A wave form is a movement ______________ the isoelectric line in either a posi...

RCIS Practice Test 2023 197 Verified Questions and Answers 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 Capill...

MN 551 Midterm Exam 2023/2024 Saved A patient is experiencing impaired circulation secondary to increased systemic arterial pressure. Which of the following statements is the most relevant phenomenon? Question 1 options: Increased preload due to vascular resistance High afterload because of backpressure against the left ventricle Impaired contractility due to aortic resistance Systolic impairment because of arterial stenosis Question 2 (2 points) Saved A nurse practitioner employe...

RCIS Practice Test 2023 197 Verified Questions and Answers 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 Capill...

Healthstream Test 2022/2023 Updated Questions and Answers with complete solution A patient assessment reveals distended neck veins, pulsus paradoxus, and decreased systolic pressure. This assessment is most consistent with: cardiac tamponade. The nurse is caring for a patient with severe sepsis and third-degree heart block. The patient is hypotensive. The treatment for this life-threatening rhythm change includes: transcutaneous pacing. A patient is admitted to the ICU with suspected ...

NUR 652 Final Exam Study Questions with Answers All Correct 2023. Why are nitrate-free periods every 24 hours necessary for the patient on nitroglycerin therapy? To inhibit the development of tolerance What does a low level of thyroid-stimulating hormone indicate? Hyperthroidism What would be the best option to treat a newly diagnosed patient with a low TSH level with? Propanolol (Inderal) Spironoaldactone (Aldactone) has what mechanism of action (MOA)? Aldosterone antagonist Heparin exer...

NUR 445 Final Exam Study questions and answers 100% verified. What are some assessment findings of an uncomplicated abdominal aortic aneurysm? - correct inal pulsation, ischemia in extremities from thrombus formation, peripheral pulses weak/absent; often asymptomatic What are some assessment findings of a dissected abdominal aortic aneurysm? - correct onset of severe abdominal pain or back pain, pain may migrate with pain of extension, peripheral neuropathy or paraly...