Echo Registry Review| 600 Questions| accurate Solutions
2 views 0 purchase
Course
Echo Registry
Institution
Echo Registry
Echo Registry RevieProduced when a signal from the SA node spreads through the atria on a ECG - ANSWER P-Wave
Detects electrical current in the heart - ANSWER Electrocardiogram
Generated by ventricular repolarization - ANSWER T-Wave
produced when signal from AV node spreads through ventric...
Echo Registry Review| 600 Questions| accurate Solutions
Produced when a signal from the SA node spreads through the atria on a ECG - ANSWER P-Wave
Detects electrical current in the heart - ANSWER Electrocardiogram
Generated by ventricular repolarization - ANSWER T-Wave
produced when signal from AV node spreads through ventricular myocardium and depolarizes muscle - ANSWER QRS complex
The heart beats due to this - ANSWER autorhythmicity
Charge shifts from negative to positive - ANSWER Depolarization
Nerve like process that spreads action potential through ventricular myocardium - ANSWER Purkinjefibers
Primary Pacemaker cell of the heart - ANSWER SA Node
Short branched cell found in the heart - ANSWER Cardiocyte
Stores and pumps calcium ions - ANSWER Sarcoplasmic reticulum
Plateau phase of the cardiac action potential - ANSWER Phase 2
Begins halfway through Phase 0 until part way thru phase 3 - ANSWER (Absolute ) Refractory period
allow action potential to spread through cells - ANSWER Gap junctions
Fast Na+ channels open in this phase - ANSWER Phase 0
Phase in which cell is not stimulated ( resting membrane potential ) - ANSWER Phase 4
Autoarythmic cells are also known as - ANSWER pacemaker cells
Phase 4 in autoarythmic cells differ from phase 4 in cardiocytes in which way ? - ANSWER phase 4 in autoarythmic cells has no stable resting membrane where as in cardiocytes, phase 4 has a resting membrane potential. Sequences of changes within the cell which causes it to depolarize and repolarize. - ANSWER Action potential
A Cardiocyte is a :
a. Autoarythmic cell
b. Contractile Cell
c. A gap junction cell
d. excitile cell - ANSWER b. Contractile cell
The inward movement of ions is known as - ANSWER Influx
part of the cell that allows the voltage stimulation wave to travel from cell to cell. - ANSWER Gap Junctions
The result of ectopic Foci in the Atria - ANSWER Atrial flutter
Adult Heart rate at rest is....70 -80 bpm. This is also know as _________ tone - ANSWER Vagal Tone
Region of spontaneous firing within the heart - ANSWER Ectopic foci
The section between the sympathetic nervous system and the SA node - ANSWER Cardiac plexus
What slows the heart ?...Parasympathetic or sympathetic nervous system - ANSWER parasympathetic
Fibers of the right vagus nerve enters the ________ node - ANSWER SA node
Fibers of the left vagus nerve enters the ________ node - ANSWER AV node
Cardiac cells do not have satellite cells to do what ? - ANSWER Repair muscle
What cellular structure occupies 25 % of a cardiocyte as compared to 1 % in most other
cells ??? - ANSWER Mitochondria
Cardiocytes contain ______ nucleus(s) and are surrounded by light staining mass of _______ - ANSWER one, Glycogen
What structures join cardiocytes end to end. - ANSWER Intercalated Discs
Interlocks with each other to increase surface area of contact in the cardiocyte - ANSWER Interdiating folds
What structure prevents cells from being pulled apart - ANSWER Desmosomes What brings action potential to the sarcoplasmic reticulum - ANSWER T Tubules
If velocity is increased, Pressure is _________ - ANSWER Decreased
If viscosity is increased, Flow is ____________ - ANSWER decreased
If area is increased, Velocity is _____________ - ANSWER decreased
if radius is decreased, flow is _______________ - ANSWER decreased
If radius is decreased in a stenosis, velocity is ________ - ANSWER increased
The formula for calculating EF is: - ANSWER EDV-ESV / EDV x 100
Stroke Volume formula ? - ANSWER EDV-ESV
The LA dimension is measured on M=mode during? - ANSWER End -systole
Where are the pulmonary veins located? - ANSWER LA-Can be seen in Apical 4 chamber w/inferior angulation.
What does the T wave represent - ANSWER repolarization of the ventricles
What are the symptoms of Aortic Stenosis? - ANSWER Decrease CO
Chest pain
Syncope
CVA
In DCM the most likely Pulmonary. vein flow pattern is - ANSWER Increased D wave, decreased S wave (blunted S wave)
Holosystolic murmur best heard at the subcostal region? - ANSWER Tricuspid Regurgitation
2D findings with tamponade? - ANSWER 1. moderate-to-large pericardial effusion
2. "swinging heart" motion pattern
3. Right Ventricle early diastolic collapse/compression
4. Right Atrium late diastolic and/or early systolic collapse lasting at least 1/3 of the cardiac cycle.
5. Inspiratory "bounce" of the IVS toward the Left Ventricle with inspiration
6. dilated IVC (normal 1.2 - 2.3 cm) with lack of collapse upon inspiration (normal collapse >50%) (aka IVC plethora)
With cardiac tamponade, the Doppler finding for the Mitral Valve is? - ANSWER decrease peak velocity with inspiration REMEMBER I = I on venous return and inspiration. So the right side ( pulmonary/venous side ) increases with inspiration. Where as the left side (systemic) will show decrease with inspiration.
All of the following are characteristics of constrictive pericarditis EXCEPT:
Reduced LV systolic function
Pericardial thickening
Normal or mildly dilated atria
Normal LV dimensions
Normal LV wall thickness - ANSWER Reduced LV systolic function
Positional chest pain described as "sharp and severe" that decreases with sitting upright
or leaning forward is the primary symptom of:
Ischemic heart disease
Aortic dissection
Infective endocarditis
Orthopnea
Pericarditis/pericardial effusion - ANSWER Pericarditis/pericardial effusion
Transmitral and transtricuspid flow profiles will demonstrate > 25% changes with respirations in the presence of: - ANSWER Cardiac tamponade
Moderate Vena Contracta is what ? - ANSWER 4 to 6 mm
dP/dt measurement of mitral regurgitation assesses what? - ANSWER LV systolic function
What echo finding can be secondary to HCM due to fiber disarray?
"bright" myocardium
constrictive pericarditis
no "a" dip
aortic stenosis - ANSWER "bright" myocardium
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 nursingismylife. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $18.99. You're not tied to anything after your purchase.
