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Test your basic knowledge |
Cardiology
Start Test
Study First
Subject
:
health-sciences
Instructions:
Answer 50 questions in 15 minutes.
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study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. most common heart tumor
Decrease in cAMP
Torsades de pointes
Metastasis from melanoma or lymphoma
Holosystoiic
2. disruption of the vasa vasorum of aorta - dilation of aorta and valve ring - tree bark appearance (calcifications on aortic root)
In parallel
3rd degree syphillus - syphillit heart disease can lead to aortic valve incompetence
Sturge weber - vasculitis of caps
Inc ICP - cerebral ischemia - inc SANS tone (HTN) and reflex bradycardia
3. What is indicated when CO and venous return are equal?
Changes in CO as a function of preload
Increased SV
The operating point of the heart
Calcification in media of arteries esp radial and ulnar - does not obstruct blood flow - intima not involved
4. bening capillary hemangioma of elderly - does not regress
HypoK and bradycardia
MAP
Cherry hemangioma
Inc Kf - capillary perm
5. coronary artery spasm - ST elevation
S. aureus
LAD > RCA > circumflex
Prinzmetal angina
Increased efferent SANS and decreased efferent PANS
6. Expiration causes an increase in which sided heart sounds
3rd degree block - pacemaker - Lyme disease
Left sided
Transmural
EtOh - wet Beriberi - Coxsackie B - cocaine - chagas - doxorubicin - hemochromatosis - peripartum cardiomyopathy
7. Which valve is commonly involved in bacterial endocarditis from IV drug use and Which bacteria are most common?
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8. dilated tortous veins due to chronically inc venous pressure - poor wound healing - varicose ulcers
Pos inotropy - exercise
Varicose veins - thromboembolism rare
Systolic dysfunction
Raynaud's
9. What is the early and late lesion in rheumatic heart disease
Mitral valve prolapse
Temporal arteritis
Prinzmetal angina
S. aureus
10. Which murmur is characteristic of mitral/tricuspid regurg?
LV failure - pulm venous distention transudation of fluid
Persistant truncus arteriosus
Holosystoiic
Hypotension - inc venous pressure - distant heart sounds - inc HR - pulsus paradoxus
11. What does autoregulation do?
Beta 1 inc HR and cont - alpha 1 venocxn - alpha 1 arteriolar vascxn
Right sided
Atrial contraction
Maintain blood flow to organ over wide range of perfussion pressures
12. which heart valves are afected most in rheumatic heart diseease
Chordae rupture - GN - suppurative pericarditis - emboli
Mitral>aortic>>tricuspid - high pressure valves affected most
Hypertrophied cardiomyopathy
Stroke volume
13. What are aschoff bodies
Atherosclerosis - LVH - stroke - CHF - renal failure - retinopathy - aortic dissection
Stroke volume
Posterior descending (80% off the RCA - 20% off the circumflex)
Granuloma with giant cells
14. what conditions are associated with pulsus paradoxus
Pulmonic stenosis and RBBB
Takayasu's arteritis
Cardiac tamponade - asthma - obstructive sleep apnea - pericarditis and croup
Late systolic crescendo murmur with a midsystolic click
15. What is the characteristic pulse in aortic stenosis?
Vasodilators
Angiosarcoma
Pulsus parvus and tardus - weak - can lead to syncope
Atrial fiutter - identical back to back atrial depol's - convert to sinus - cal IA - IC or III antiarrhythmics
16. progressive lengthening of PR until beat is dropped - a p wave not followed by QRS
Anterosuperior displacement of the infundibular septum
2nd degree AV block - mobitz type 1
V fib arrhythima
Decreases
17. retrosternal chest main with exertion - ST depression on ECG - likely due atherosclerosis
Stable angina
If sodium channel
Rapid upstroke - voltage gated Na channels open
Strawberry hemangioma
18. What is the formula for EF?
QRS complex
SV/ EDV
Systolic dysfunction
Raynaud's
19. When during cardiac nodal cells depolarize?
Mean arterial pressure
During diastole
Inc venous return exaccerbates pulm vasc congestion
Acute thrombosis of coronary artery
20. In the evolution of an MI - when the risk for free wall rupture - tamponade - papillary muscle rupture - or interventricular septal rupture the hightest? Why?
...
5-10 days - macs have degraded structural components
Diastolic
V fib
21. What is the S2 sound?
Aortic and pulmonary closing
The aortic before pulmonic - inspiration increases diff
Kidney
Babies
22. highly lethal malignancy of the liver - associated with vinyl chloride - arsenic - and thorosrast exposure
The first 4 days
Aburpt halting of valve leaflets
10%
Angiosarcoma
23. decrease stretch in baroreceptors leads to what response?
Granulomatous vasculitis with eosinophilia. Asthma - sinusitis - skin lesions and periphereal neuropathy (wrist/foot drop) heart - GI - kidneys
3rd degree syphillus - syphillit heart disease can lead to aortic valve incompetence
Increased efferent SANS and decreased efferent PANS
Gap junctions
24. congenital heart defect with marfan's
Can progess to V fib
Aortic insuffic - late
Ventricles are depolarized
The first 4 days
25. clinical signs of cardiac tamponade
Hypotension - inc venous pressure - distant heart sounds - inc HR - pulsus paradoxus
LAD - V1- V2
Decrease in activity of Na/Ca exhanger and increase in contractility
Atrial contraction
26. EDV - ESV
Increased SV
Mitral and tricuspid closure
Immediate high pitched blowing diasystolic murmur with a wide pulse pressure
Stroke volume
27. tearing chest pain radiation to the back - associated with marfan
Mean arterial pressure
Inc blood volume
Hematocrit
Aortic disecction - intraluminal tear forming false lumen
28. Which bacteria can cause endocarditis from prosthetic valves?
S. epidermidis
Eisenmenger's syndrome
S. bovis
EKG
29. When do you see extensive coagulative necrosis in an MI
2-4 day - early coag necrosis on the first day
Eisenmenger's syndrome
Sensironeural deafness - defects in sodium and potassium channels - jervell and lange - neilsen syndrome
Pulse pressure
30. What are the systolic heart sounds
Aortic/pulmonic stenosis and mitral/tricuspid regurg
Aortic and pulmonary closing
Gap junctions
Cardiac tamponade - asthma - obstructive sleep apnea - pericarditis and croup
31. What happens with a decrease of extracellular Na
Decrease in activity of Na/Ca exhanger and increase in contractility
Hemoptysis - hematuria - perforation of nasal septum - chronic sinusitis - otitis media - mastoiditis - cough dyspnea
LCX - V4- V6
Angiosarcoma
32. disease of elastic arteries and large and medium sized muscular arteries
ASD - VSD - AV septal defect (endocardial cushion defect)
Mitral valve
Atherosclerosis
2-4 day - early coag necrosis on the first day
33. smaller vegetations - congenitally abnormal or diseased valves - sequela of dental procedures. Insidious onset
MI
Viridans streptococci
Resting potential high K perm
ANP
34. In an inferior wall infarct - which artery is affected and which leads show Q waves
RCA - II - III - aVF
7 weeks
Greater ventricular EDV
Squat. Compression of femoral arteries - inc TPR - dec
35. exaggerated decrease in pulse during inspiration.
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36. prolonged PR interval
Fever - roth's spots - osler's nodes - murmur - janeway lesions - anemia - nail - bed hemorrhages - emboli
1st degree AV blodck
Aortic disecction - intraluminal tear forming false lumen
Increase in Pc
37. What are the four most common locations for atherosclerosis?
3rd degree syphillus - syphillit heart disease can lead to aortic valve incompetence
Arteriorles
Inc TPR and LA return (expiration)
Abdominal aorta>coronary artery>popliteal artery>carotid artery ACoPCa
38. What is the classic X ray finding for tet of fallot?
Atherosclerosis
Boot shaped heart
Aburpt halting of valve leaflets
Sarcoid - amyloid - postradiation fibrosis - endocardial fibroelastosis - Loffler - hemochromatosis
39. What is the effect on the slope of phase 4 in pacemaker cells by Ach or adenosine?
Inc central venous pressure - inc resistance to portal flow
Decreases
Rapid repol - massive K influx - opening of voltage gated slow K channels and closure of Ca channels
SA>AV>bundle of His>ventricles
40. What other syndrom is associated with infantile aortic coarctation
Mitral valve prolapse
Turners
RV contraction (closed tricuspid valve bulding into atrium
A fib - beta block or ca channel block - warfarin - thromboembolism prophylaxis
41. What causes the CO curve to shift upwards?
R to L shunt caused by stenoic pulmonic valve
Dilated cardiomyopathy
S. aureus
Pos inotropy - exercise
42. S3 - dilated heart on US - balloon appearance on CXR - eccentric hypertrophy
Aneurysms - ischemia - infarcts - peripheral vasc dz - thromboemboli
Afterload (proportional to peripheral resistance)
Metastasis from melanoma or lymphoma
Dilated cardiomyopathy
43. Which murmur is heard in aortic stenosis?
Crescendo - decrescendo systolic ejection murmur following ejection click
MAP
Vasocxn
Coarcation of aorta
44. What are anitschkow's cells
Greater ventricular EDV
No - no pressure gradient
Activated histiocytes
Fast volatge gated Na channels
45. stroke volume x HR =?
Atrial contraction
CO
EKG
S. bovis
46. Which two mechanisms sense decrease MAP?
The operating point of the heart
MAP
ASD - VSD - AV septal defect (endocardial cushion defect)
Medullary vasomotor center senses baroreceptors and JGA
47. Which channel accounts for automaticity of the SA and AV nodes?
If sodium channel
Babies
Atrial contraction
Lymphangiosarcoma
48. What is the progression of atherosclerosis?
Persistant truncus arteriosus
ASD
Endothelial cell dysfxn - mac and LDL accum - foam cell - fatty streaks - smooth muscle cell migration - fibrous plaque - comlex atheromas
RCA
49. What are the different etiologies of dialted cardiomyopathy
Right sided
CHF
EtOh - wet Beriberi - Coxsackie B - cocaine - chagas - doxorubicin - hemochromatosis - peripartum cardiomyopathy
Chordae rupture - GN - suppurative pericarditis - emboli
50. What does the atria release in response to inc blood volume and atrial pressure
Increasing activity of Ca pump in SR
RF
Adult type aortic coarctation
ANP
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