SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Cardiac
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. In which pts does S viridans cause endocarditits?
S viridans
Pts w/previously damaged valves
Systemic venous congestion
Yellow pallor macrophages
2. What is the most common cause of death during the acute phase of rheumatic fever?
Hypertrophic cardiomyopathy
Group A beta - hemolytic streptococci
Reperfusion of irreversibly damaged cells results in Ca influx - leading to hypercontraction of myofibrils
Myocarditis
3. What is an Anitschow cell?
Trisomy 21
Adult coarctation of the aorta
RCA
Reactive histiocyte with caterpillar nucleus
4. What are the forward and backward sx of LHF?
Chest pain - arrhythmia - sudden death - heart failure - dilated cardiomyopathy
Backward: dyspnea - PND - orthopnea - crackles (pulmonary congestion and edema) - heart failure cells forward: fluid retention due to decreased flow to kidneys leading to activation of RAA
Trisomy 21
1) damaged endocardial surface develops thrombotic vegetations 2) transient bacteremia leads to trapping of bacteria in the vegetations
5. Poor myocardial fx due to chronic ischemic damage?
Congestive heart failure
Chronic ischemic heart disease
Endocardial fibroelastosis
NG or Ca channel blocker
6. Dilated cardiomyopathy is a late complication of what illness?
Myocarditis
Hypertrophic cardiomyopathy
Low voltage EKG w/diminished QRS amplitude
45%
7. What is the tx for VSD?
Squat in response to cyanotic spell
Annular - non pruritic rash w/erythematous borders trunks and limbs
Bicuspid aortic valve
Surgical closure small defects may close spontaneously
8. Which angina(s) show ST elevation on EKG? ST depression?
Fever: due to bacteremia murmur: due to vegetations janeway lesions - osler nodes - and splinter hemorrhages: due to embolization of septic vegetations anemia of chronic disease: due to chronic inflammation
Prinzmetal stable and unstable
Bacterial M protein resembles proteins in human tissue - 'molecular mimicry'
Anterior wall of LV and anterior septum
9. What are the complications of aortic stenosis?
Arrhythmia - CHF - angina - syncope - microangiopathic hemolytic anemia
Left -->right
Osler nodes (ouch - ouch Osler)
Doxorubicin - cocaine
10. Which chambers of the heart are generally spared in an MI?
Pulsating nail bed
Mitral valve prolapse
Jugular venous distension - painful hepatosplenomegaly w/nutmeg liver - cardica cirrhosis - dependent pitting edema
Atria and RV
11. What is cardiogenic shock?
Reperfusion of irreversibly damaged cells results in Ca influx - leading to hypercontraction of myofibrils
Inability to maintain systemic pressure w/lack of O2 to vital organs
Harmartoma
Split S2 on auscultation
12. Reperfusion of irreversibly damaged cells results in Ca influx - leading to hypercontraction of myofibrils.
Autoimmune pericarditis 6-8 wks post MI
Large - destructive vegetations
Nitroglycerin
Contraction band necrosis
13. Which vasculitis can cause MI?
Reactive histiocyte with caterpillar nucleus
Kawasaki disease
Rupture of capillaries leading to intraalveolar hemorrhage - sx of LHF
Circumflex
14. What artery is the 2nd most often occluded in an MI?
RCA
Backward LHF pulm htn and RHF - afib and associated mural thombis
Opening snap followed by diastolic rumble
Erythematous nontender lesions on palms and soles.
15. What typically causes hypertrophic cardiomyopathy?
Htn in upper extremities - hypotn in lower extremities - notching of ribs on CXR
Fetal alcohol syndrome
AD mutation in sarcomere proteins
SLE
16. Dyspnea - PND - orthopnea - crackles - fluid rentention - heart failure cells.
LHF
Constrict peripheral arterioles - increasing TPR - release aldosterone - increasing blood volume
Coxsackie A or B
Thickening of chrodae tendinae and cusps - mitral stenosis
17. What is the most common cause of endocarditis in IV drug users?
Decrease preload -->lowers myocardial stress
Tricuspid
S aureus
2-4 hours - 24 hours - 7-10 days
18. What are the clinical features of endocarditis? What causes each feature?
Tuberous sclerosis
Shunt
Fever: due to bacteremia murmur: due to vegetations janeway lesions - osler nodes - and splinter hemorrhages: due to embolization of septic vegetations anemia of chronic disease: due to chronic inflammation
1-3 days
19. What congenital heart defect does indomethacin tx?
Nonbacterial thrombotic endocarditis (marantic endocarditis)
Hemosiderin laden macrophages
Hypercoagulable state or underlying adenocarcinoma
PDA
20. What are Osler nodes?
Tender lesions on fingers or toes.
Myxoid degeneration
20 min
Reversible
21. What causes heart failure cells?
Rupture of capillaries leading to intraalveolar hemorrhage - sx of LHF
Ehlers - Danlow and Marfan syndrome
Atherosclerosis of coronary arteries
Heart transplant
22. What effect does squatting have on the murmur of mitral valve prolapse? Why?
Louder - increased systemic resistence decreases LV emptying
LAD
Anitschow cell
Rupture of atherosclerotic plaque and complete occlusion of the coronary artery
23. What cardiac enzyme is useful for detecting reinfarction?
Transesophageal echo
CK- MB
Pericarditits
Cyanosis - RV hypertrophy - polycythemia - clubbing
24. Early - blowing diastolic murmur - bounding pulse - pulsating nail bed - and head bobbing.
Anitschow cell
Aortic regurg
Paradoxical emboli
Infantile coarctation of the aorta PDA
25. What are the sx of cardiac myxoma?
Prinzmetal angina - cocaine
Pedunculated mass in the LA that causes syncope due to obstruction of MV
Dense layer of elastic and fibrotic tissue in the endocardium - children
Membrane damage
26. What is the tx for mitral valve prolapse?
Degree of pulmonary artery stenosis
Tricuspid
Friction rub and chest pain
Valve replacement
27. What increases the volume of mitral regurg murmur?
Increased blood in right heart delays closure of P valve
Squatting - expiration
ST- segment elevation
Libman - Sacks endocarditis
28. Foci of chronic inflammation - reactive histiocytes with slender - wavy nuclei - giant cells - and fibrinoid material.
Aschoff bodies
Reactive histiocyte with caterpillar nucleus
CHF
Ischemia - htn - dilated cardiomyopathy - MI - restrictive cardiomyopathy
29. Which congenital heart defect is associated with maternal diabetes?
Stretched muscle loses contractility
Small - nondestructive vegetations (subacute endocarditis)
Early - blowing diastolic murmur bounding pulse - pulsating nail bed - and head bobbing
Transposition of the great vessels
30. How does dilated cardiomyopathy cause LHF?
VSD
L->R
Stretched muscle loses contractility
Surgical closure small defects may close spontaneously
31. In what pt population does S aureus commonly cause valvular disease?
Maternal diabetes
Dilation of all four chambers of the heart
IV drug users
RHF
32. What is the characteristic murmurr of mitral stenosis?
Sudden cardiac death
PDA
Coronary artery vasospasm
Opening snap followed by diastolic rumble
33. How does squating decrease hypoxemia in tetralogy of fallot?
Rupture of capillaries leading to intraalveolar hemorrhage - sx of LHF
ST- segment elevation
Increased arterial resistence decreases shunting - allowing more blood to reach lungs
Inability to maintain systemic pressure w/lack of O2 to vital organs
34. What effect does transposition of the great vessels have on the ventricles?
Nonbacterial thrombotic endocarditis (marantic endocarditis)
Stretched muscle loses contractility
Myocardium
Hypertophy of RV atrophy of LV
35. What is typically the mechanims of sudden cardiac death?
Ventricular arrhythmia
Dressler syndrome
Myxoma - benign
PDA
36. How do nitrates tx MI?
Decrease preload -->lowers myocardial stress
Rhabdomyoma
Streptococcus bovis/
Fibrinous pericarditis
37. What effect does aortic regurg have on the pulse pressure? Why?
Decreased CO due to diastolic dysfx - syncope w/exercise - sudden death due to vfib
Doxorubicin - cocaine
Widens it diastolic pressure decreases due to regurgitation while systolic pressure increases due to increased stroke volume
Membrane damage
38. Is scar tissue or myocardium stronger?
Hypertophy of RV atrophy of LV
Friction rub and chest pain
Myocardium
Prinzmetal
39. What type of shunt dose PDA cause?
Kawasaki disease
ASD - R-->L
Left -->right
3-8 wks
40. What type of ischemia does stable angina cause?
Concentric LV hypertophy
Subendocardial
Coronary artery vasospasm - emboli - vasculitis
Contraction band necrosis - reperfusion injury
41. How does MI cause LHF?
Fever: due to bacteremia murmur: due to vegetations janeway lesions - osler nodes - and splinter hemorrhages: due to embolization of septic vegetations anemia of chronic disease: due to chronic inflammation
Maternal diabetes
Backward: dyspnea - PND - orthopnea - crackles (pulmonary congestion and edema) - heart failure cells forward: fluid retention due to decreased flow to kidneys leading to activation of RAA
Loss of LV fx
42. Holosystolic blowing murmur that increases w/expiration?
Mitral regurg
Aspirin and/or heparin - supplemental O2 - nitrates - beta blocker - ACE inhibitor - fibrinolysis or angioplasty
Dilation of all four chambers of the heart
Idiopathic genetic mutation (AD) - myocarditis - alcohol - drugs - pregnancy
43. What effect does aortic stenosis have on the chambers of the heart?
Yellow pallor macrophages
Chest pain <20 min brought on by exertion or emotional stress
Early - blowing diastolic murmur bounding pulse - pulsating nail bed - and head bobbing
Concentric LV hypertophy
44. How does Eisenmeger syndrome occur?
1-3 days
Erythematous nontender lesions on palms and soles.
Left to right shunt causes increased flow thru pulm circulation which results in hypertrophy of pulm vessels and pulm htn - increased pulm resistance results in reveral of shunt
Colon cancer
45. What is the classic EKG finding of restrictive cardiomyopathy?
Increased O2 demand during exercise but can't increase CO b/c of narrowed valve
Fusion of the commissures with 'fish mouth' appearence - aortic stenosis
Congested central veins
Low voltage EKG w/diminished QRS amplitude
46. What causes the split S2 in ASD?
Increased blood in right heart delays closure of P valve
Myocarditis
Prophylactic abx during dental procedures
Mitral regurg
47. How does hypertension cause LHF?
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
48. What gross and microscopic changes occur 4-24 hours after an MI?
Kawasaki disease
Dark discoloration coagulative necrosis
Coexisting mitral stenosis and fusion of commisures exist
Pump failure
49. What is a complication of chronic rheumatic heart disease?
Right -->left
Degree of pulmonary artery stenosis
Infectious endocarditis
stenosis of RV outflow tract - RV hypertrophy - VSD - aorta that overrides the VSD
50. What are the sx of pericardiits?
Split S2 on auscultation
Friction rub and chest pain
Coexisting mitral stenosis and fusion of commisures exist
Infantile coarctation of the aorta