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Test your basic knowledge |
Cardiology
Start Test
Study First
Subject
:
health-sciences
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
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. When do you see extensive coagulative necrosis in an MI
Pulsus parvus and tardus - weak - can lead to syncope
2-4 day - early coag necrosis on the first day
2nd degree AV block - mobitz type 1
In RA return (inspiration)
2. disease of elastic arteries and large and medium sized muscular arteries
Plateau - influx of calcium through voltage gated ca channels - ca release from SR and contraction
Atherosclerosis
Late in diastole - high atrial pressure - pushing against a stiff LV wall - associated with ventricular hypertrophy
Takayasu's arteritis
3. Which class of drugs decreases afterload?
Fever - roth's spots - osler's nodes - murmur - janeway lesions - anemia - nail - bed hemorrhages - emboli
Vasodilators - (hydrAlAzine)
Inc ICP - cerebral ischemia - inc SANS tone (HTN) and reflex bradycardia
Turners
4. What causes the cushing reflex and why
R to L shunt caused by stenoic pulmonic valve
CO
Inc ICP - cerebral ischemia - inc SANS tone (HTN) and reflex bradycardia
Slow conduction velocity - used by AV node prolongs transmission from atria to ventrical
5. How do beta blockers decrease contractility?
Normal in children and pregs - assoc with inc filling pressures - early in diastole during rapid ventricular filling
S. bovis
Decrease in cAMP
Holosystolic - harsh sounding murmur - loudest over tricuspid area
6. What is the difference between adult and infantile type aortic coarctation?
Infantile is proximal to ductus arteriosus and adult is distal. Infantile In and aDult is Distal to Ductus
Aortic/pulmonic stenosis and mitral/tricuspid regurg
Late diastolic murmur following an opening snap
Polyarteritis nodosum
7. What does the atria release in response to inc blood volume and atrial pressure
Preload
HTN - bradycardia - and respiratory depression
ANP
2nd degree AV block - mobitz type 1
8. Does blood flow across the actual ASD account for abnormal heart sounds? What is the reason?
Increasing activity of Ca pump in SR
Subendocardial - fewer collaterals and higher pressure
Postinfarction fibrinous pericarditis
No - no pressure gradient
9. What supplies the posterior left ventricle?
Troponin I
Resting potential high K perm
Pos inotropy - exercise
CFX
10. Which enzymes are useful for diagnosing reinfarction
Myxomatous degeneration - RF - chordae rupture
CK- MB
Decreases
Ventricles are depolarized
11. The cause of dyspnea on exertion?
Failure of LV to in CO during exercise
Eccentric - concentric hypertrophy causes diastolic disfunction
Crescendo - decrescendo systolic ejection murmur following ejection click
Squat. Compression of femoral arteries - inc TPR - dec
12. most common primary cardiac tumor in children - associated with tuberous sclerosis
Neg inotropy - HF - narcotic overdose
Tricuspid - don't tri drugs - S. aureus - pseudomonas - candida
2nd degree AV block - mobitz type 2 - may progess to 3rd degree block
Rhabdomyomas
13. Unilateral headache - jaw claudication - impaired vision
Buerger's disease
P02
Tempral arteritis - may cause irreversible blindness
Age related calcifications or bicuspid aortic valve
14. wartiike - sterile vegetations occur on both sides of the valve - commonly causes mitral regurg. SLE causes it
Stable angina
Increased efferent SANS and decreased efferent PANS
Mitral>aortic>>tricuspid - high pressure valves affected most
Libman - sacks endocarditis
15. Which murmur is characteristic of mitral/tricuspid regurg?
LCX - V4- V6
Hemoptysis - hematuria - perforation of nasal septum - chronic sinusitis - otitis media - mastoiditis - cough dyspnea
Yes
Holosystoiic
16. in the JVP - What is the v wave?
Inc RA pressure - due to filling against closed tricupsid valve
LAD - V1- V2
Black > white > asian
MAP
17. What is the effect on the slope of phase 4 in pacemaker cells by catecholamines and
No - no pressure gradient
Lymphangiosarcoma
Eisenmenger's syndrome
Increase - increase the chance the If are open
18. tearing chest pain radiation to the back - associated with marfan
LAD
SA>AV>bundle of His>ventricles
Inc venous return exaccerbates pulm vasc congestion
Aortic disecction - intraluminal tear forming false lumen
19. which ethnic groups have higher association with HTN?
Black > white > asian
No - no pressure gradient
During diastole
Myxoma
20. What is the most common cause of MI
Increasing activity of Ca pump in SR
In series
140/90
Acute thrombosis of coronary artery
21. What is a normal EF
Pyogenic granuloma - associated with trauma and pregnancy
At least 55%
Beta 1 inc HR and cont - alpha 1 venocxn - alpha 1 arteriolar vascxn
Purkingee>atria>ventricles>AV node
22. p - anca
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23. Chronic mitral stenosis can lead to what changes in size of the LA
Dilation
Late diastolic murmur following an opening snap
Aortic/pulmonic regurg and mitral/tricuspid stenosis
PDA
24. Restrictive cardiomyopathy causes
Sarcoid - amyloid - postradiation fibrosis - endocardial fibroelastosis - Loffler - hemochromatosis
Late systolic crescendo murmur with a midsystolic click
Afterload (proportional to peripheral resistance)
Tetrology of fallot - pulmonary stenosis - RVH - overiding aorta - VSD
25. congenital heart defect withdown syndrome
Heart - 02 extraction is always around 100%
Initial repol - inactivation of of voltage gated Na channels - voltage gated K channels begin to open
ASD - VSD - AV septal defect (endocardial cushion defect)
RV failure - in venous pressure
26. What constitues the upstroke in pacemaker cells?
Raynaud's
Fick principle
Volatage gated Ca channels
Kids
27. Which bacteria causes rheumatic heart disease
Group a beta hemolytic strep
Left atrial pressure
Aneurysms - ischemia - infarcts - peripheral vasc dz - thromboemboli
During HF from microhemorrhages from inc pulm cap pressure
28. Rank the pacemakers cells
Vasodilators
2nd degree AV block - mobitz type 2 - may progess to 3rd degree block
Slow conduction velocity - used by AV node prolongs transmission from atria to ventrical
SA>AV>bundle of His>ventricles
29. How do catecholamines increase contractility?
Increasing activity of Ca pump in SR
Atrial contraction
Pyogenic granuloma - associated with trauma and pregnancy
Wegener's
30. Which kind of infarct show ST elevation - and/or pathologic Q waves
Dressler's - autoimmune
Transmural
Truncus - tet of fallot
Left heart failure
31. What is the machine like murmur? What is the heart pathology and the predisposing causes
Tempral arteritis - may cause irreversible blindness
Patent ductus arteriosus - congenital rubella or prematurity
Prinzmetal angina
Truncus - tet of fallot
32. decrease stretch in baroreceptors leads to what response?
Increased efferent SANS and decreased efferent PANS
Fever - Arthritis - Night sweats - Myalgia - SKIN nodules - Ocular disturbances - Weak pulses in upper extremities
Infective endocarditis
Arrhythmia - LV failure and pulm edema - cardiogenic shock - free wall rupture - aneurysm - postinfarcation fibrinous pericarditis - dressler's
33. What is the association with wide S2 splitting?
Decreased
...
Septal defects - PDA - pulm art stenosis
Pulmonic stenosis and RBBB
34. Irregularly irregular ECG - no p waves: dx and treatment
A fib - beta block or ca channel block - warfarin - thromboembolism prophylaxis
During HF from microhemorrhages from inc pulm cap pressure
Arteriolosclerosis in malignant hypertension
HTN - bradycardia - and respiratory depression
35. which medications are used to maintain patency or close the ductus arteriosus?
Indomethacin closes - and pge keeps it open
S. bovis
EtOh - wet Beriberi - Coxsackie B - cocaine - chagas - doxorubicin - hemochromatosis - peripartum cardiomyopathy
3rd degree block - pacemaker - Lyme disease
36. in the JVP - What is the a wave?
Atrial contraction
Atherosclerosis
Viridans streptococci
A fib - beta block or ca channel block - warfarin - thromboembolism prophylaxis
37. On the cardiac cycle graph - on which corners do the opening and closing of the aortic and mitral valves occur?
Myxoma
Lower right - MC - upper right - AO - upper right AC - lower left MO
V fib arrhythima
Hemoptysis - hematuria - perforation of nasal septum - chronic sinusitis - otitis media - mastoiditis - cough dyspnea
38. What are aschoff bodies
Boot shaped heart
Henoch - Schlonlein purpura
Granuloma with giant cells
The LA - can cause dysphagia because of compression of the esophageal nerve or hoarseness by compressing the the recurrent laryngeal nerve
39. polypoid capillary hemangioma that can ulcerate and bleed
Resting potential high K perm
Hemoptysis - hematuria - perforation of nasal septum - chronic sinusitis - otitis media - mastoiditis - cough dyspnea
Inc venous return exaccerbates pulm vasc congestion
Pyogenic granuloma - associated with trauma and pregnancy
40. Why is contractility decreased in heart failure?
Inc Kf - capillary perm
LCX - I - aVL
Hypertrophied cardiomyopathy
Systolic dysfunction
41. disruption of the vasa vasorum of aorta - dilation of aorta and valve ring - tree bark appearance (calcifications on aortic root)
3rd degree syphillus - syphillit heart disease can lead to aortic valve incompetence
Increased efferent SANS and decreased efferent PANS
HypoK and bradycardia
Holosystolic - harsh sounding murmur - loudest over tricuspid area
42. In what disease states is blood viscosity increased?
At least 55%
Polycythemia - hyperproteinemic states (multiple myeloma) - hereditary spherocytosis
Transposition of great vessels
Inc afterload - inc contractility - inc heart rate - inc heart size (inc wall tension)
43. PCWP > LV diastolic pressure
Conduction delay through AV node - nl < 200 msec
Mitral stenosis
Granulomatous vasculitis with eosinophilia. Asthma - sinusitis - skin lesions and periphereal neuropathy (wrist/foot drop) heart - GI - kidneys
LAD - V1- V2
44. Right to left shunts are more common in babies or kids?
Babies
If sodium channel
CO
Viridans streptococci
45. bacterial endocarditis - previously normal valves - rapid onset - Which bacteria?
1st degree AV blodck
Atherosclerosis - LVH - stroke - CHF - renal failure - retinopathy - aortic dissection
Inc venous return exaccerbates pulm vasc congestion
S. aureus
46. exaggerated decrease in pulse during inspiration.
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47. Where are pacemaker cells?
SA and AV nodes
Apex and anterior interventricular septum
Fever - erythema marginatum - valvular damage - ESR - red hot joints - subQ nodules - St. vitus dance (chorea)
Increased efferent SANS and decreased efferent PANS
48. stroke volume x HR =?
CO
Normal in children and pregs - assoc with inc filling pressures - early in diastole during rapid ventricular filling
MAP
Adult type aortic coarctation
49. coronary artery spasm - ST elevation
Aortic and pulmonary closing
Non
Mean arterial pressure
Prinzmetal angina
50. failure of truncus arteriosus to divide?
CHF
Atrial contraction
Persistant truncus arteriosus
Holosystoiic