Exam (elaborations)
RNC-NIC Cardiac Questions and Answers 2024
- Course
- Institution
Exam of 6 pages for the course RNC-NIC at RNC-NIC (RNC-NIC Cardiac)
[Show more]
Content preview
RNC-NIC CardiacChanges at delivery - answer Pressure: Increased SVR, decreased PVR
Oxygenation: Pulmonary arterioles dilate, alveoli expansion
Shunts close
Cardiac output calculation – answer CO=HRxSV
Mean arterial pressure calculation - answer(2xDBP) +SBP/3
Stroke volume - answer Contractility, preload, afterload
Preload - answer Measures pressure over volume in the ventricles prior to contraction
Afterload - answer Resistance of blood flow leaving the ventricle
Causes of decreased preload - answer Hypovolemia
Vasodilation
Hyperthermia
Sepsis
Causes of increased preload - answer Vasoconstriction
Hypervolemia
Congenital heart defects
Causes of decreased afterload - answer Vasodilation
Sepsis
Hyperthermia
Effects of nitrates
Causes of increased afterload - answer Vasoconstriction
Hypothermia
Aortic stenosis
Hypertension
Vasopressive agents
Causes of increased contractility - answer Dopamine
Dobutamine
Digoxin
Causes of decreased contractility - answer Acidosis
Hypoxia
, Electrolyte disturbances
Hypoglycemia
Congestive heart failure - answer Defective pump
Hypoperfusion
Pressure resistance
Increased metabolic demands
Causes of CHF - answer Increased pulmonary blood flow (L to R shunts)
Obstructive lesions
Valve regurgitation
Cardiac infections
Hyperthyroidism
CHF s/s - answer Tachypnea, retractions, crackles, pulmonary edema, tachycardia,
sweating, pale, low urine output, hepatomegaly, edema, poor feeding, cyanosis
Management of CHF - answerImprove myocardial function and relieve pulmonary and
systemic congestion
Causes of bradycardia (<100) - answerHypoperfusion
Hypoxemia
Shock
Acidosis
Hypothermia
Hypovolemia
Causes of tachycardia (160-200) - answerNon-pathologic: Pain, hyperthermia,
hypovolemia
Pathologic: Compensatory, supraventricular
Supraventricular tachycardia (>220) - answerOriginates proximal to the bifurcation of
the bundle of HIS
SVT s/s - answerDyspnea
Altered level of consciousness
SVT management - answerVagal maneuver: Ice/pressure on inner canthus
IV adenosine (0.1 mg/kg push)
Cardioverion (0.5-1 joule/kg)
Amiodarone, propanolol
Dextrocardia - answerHeart on the wrong side
Left to right shunt - answerBlood flows from the lungs, to the left side of the heart, skips
the body, and back to the right side of the heart
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Dreamer252. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now