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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. What is the difference between adult and infantile type aortic coarctation?
Mitral>aortic>>tricuspid - high pressure valves affected most
Infantile is proximal to ductus arteriosus and adult is distal. Infantile In and aDult is Distal to Ductus
Tricuspid - don't tri drugs - S. aureus - pseudomonas - candida
LAD
2. What does autoregulation do?
Mean arterial pressure
Maintain blood flow to organ over wide range of perfussion pressures
QRS complex
Neg inotropy - HF - narcotic overdose
3. The 7 complications of MI
4. congenital heart defect with congenital rubella
Increase intracellular Na - resulting in increased Ca
Aortic insuffic - late
Septal defects - PDA - pulm art stenosis
Purkingee>atria>ventricles>AV node
5. what percentage of HTN is secondary to renal disease?
Sarcoid - amyloid - postradiation fibrosis - endocardial fibroelastosis - Loffler - hemochromatosis
RV failure - in venous pressure
Calcification in media of arteries esp radial and ulnar - does not obstruct blood flow - intima not involved
10%
6. Weak pulses - notching of the ribs on xray - HTN in upper extremeties and weak peripheral pulses
Increase in Pc
The LA - can cause dysphagia because of compression of the esophageal nerve or hoarseness by compressing the the recurrent laryngeal nerve
P02
Adult type aortic coarctation
7. What does mitral prolapse predeispose to?
Immediate high pitched blowing diasystolic murmur with a wide pulse pressure
Infective endocarditis
Normal in children and pregs - assoc with inc filling pressures - early in diastole during rapid ventricular filling
Decreases
8. What happends in phase 1 of the ventricular cardiac action potential?
No - no pressure gradient
Troponin I
Greater ventricular EDV
Initial repol - inactivation of of voltage gated Na channels - voltage gated K channels begin to open
9. What happens in phase 3 of the cardiac ventricular action potential?
Strawberry hemangioma
Kids
Rapid repol - massive K influx - opening of voltage gated slow K channels and closure of Ca channels
Dec plasma proteins
10. What other congenital abnormality is necessary for life for a patient with transposition of the great vesses?
Shunt - VSD - PDA or patent foramen ovale - due to failure of the aorticopulmonary septum to spiral
Kawasaki
HypoK and bradycardia
SV/ EDV
11. Irregularly irregular ECG - no p waves: dx and treatment
Yes
Tetralogy of fallot - transposition of great vessels - truncus arteriosus - tricuspid atresia - TAPVR
A fib - beta block or ca channel block - warfarin - thromboembolism prophylaxis
Kaposi's sarcoma
12. In an EKG - What is the QT interval?
Decreases
ASD - VSD - AV septal defect (endocardial cushion defect)
Mechanican contraction of the ventricles
Vasodilators
13. What is the difference between the fetal and neonatal direction of blood flow in a patent ductus arteriosus
Fetal right to left - neonate left to right leading to RVH and failure
Infective endocarditis
Changes in CO as a function of preload
No - no pressure gradient
14. retrosternal chest main with exertion - ST depression on ECG - likely due atherosclerosis
Stable angina
Age related calcifications or bicuspid aortic valve
Mechanican contraction of the ventricles
Rhabdomyomas
15. What are the systolic heart sounds
During diastole
Torsades de pointes
Sudden tensing of chordae tendinae
Aortic/pulmonic stenosis and mitral/tricuspid regurg
16. How does a patient with Tet of fallot learn to improve symptoms?
Squat. Compression of femoral arteries - inc TPR - dec
Arrhythmia - LV failure and pulm edema - cardiogenic shock - free wall rupture - aneurysm - postinfarcation fibrinous pericarditis - dressler's
Pos inotropy - exercise
Apex and anterior interventricular septum
17. dilated tortous veins due to chronically inc venous pressure - poor wound healing - varicose ulcers
2-4 day - early coag necrosis on the first day
Calcification in media of arteries esp radial and ulnar - does not obstruct blood flow - intima not involved
Varicose veins - thromboembolism rare
The plateau period
18. Which bacteria can cause endocarditis from prosthetic valves?
Chordae rupture - GN - suppurative pericarditis - emboli
S. epidermidis
V fib arrhythima
Aortic and pulmonary closing
19. What is the S2 sound?
ASD - VSD - AV septal defect (endocardial cushion defect)
ASD
Cystic hygroma
Aortic and pulmonary closing
20. rate of 02 consumption/ arterial 02 - venous 02 ccontent=CO
Inc RA pressure - due to filling against closed tricupsid valve
Fick principle
S. epidermidis
Increase intracellular Na - resulting in increased Ca
21. congenital heart defect withdown syndrome
During diastole
Calcification in media of arteries esp radial and ulnar - does not obstruct blood flow - intima not involved
ASD - VSD - AV septal defect (endocardial cushion defect)
Squat. Compression of femoral arteries - inc TPR - dec
22. in the JVP - What is the v wave?
Stable angina
Inc RA pressure - due to filling against closed tricupsid valve
Vasodilators
Diastolic
23. in the JVP - What is the c wave?
Mitral valve
RV failure - in venous pressure
RV contraction (closed tricuspid valve bulding into atrium
Adult type aortic coarctation
24. What are anitschkow's cells
Increase contractility
Acute thrombosis of coronary artery
Yes
Activated histiocytes
25. What causes the midsystolic click
Sudden tensing of chordae tendinae
LCX - I - aVL
SA>AV>bundle of His>ventricles
Myxomatous degeneration - RF - chordae rupture
26. In an EKG - What is the QRS complex?
Ventricular depolarization - nl < 120 msec
Persistant truncus arteriosus
Resting potential high K perm
Raynaud's
27. failure of truncus arteriosus to divide?
2nd degree AV block - mobitz type 2 - may progess to 3rd degree block
S. bovis
Persistant truncus arteriosus
Atherosclerosis
28. Endothelial malignancy of the skin assocated with HHV-8 and HIV
29. Which murmur is heard in aortic stenosis?
Truncus - tet of fallot
Libman - sacks endocarditis
Crescendo - decrescendo systolic ejection murmur following ejection click
Beta 1 inc HR and cont - alpha 1 venocxn - alpha 1 arteriolar vascxn
30. What causes the cushing reflex and why
Decrease in activity of Na/Ca exhanger and increase in contractility
Inc ICP - cerebral ischemia - inc SANS tone (HTN) and reflex bradycardia
LAD
RCA
31. When do coronary arteries fill?
Aortic/pulmonic stenosis and mitral/tricuspid regurg
Atherosclerosis
2-4 day - early coag necrosis on the first day
During diastole
32. What causes aortic stenosis
Greater ventricular EDV
Lower right - MC - upper right - AO - upper right AC - lower left MO
LCX - V4- V6
Age related calcifications or bicuspid aortic valve
33. necrotizing granulomas in lung and upper airways - nectrotizing GN - small vessel vasculitis
34. PROVe
Tetrology of fallot - pulmonary stenosis - RVH - overiding aorta - VSD
10%
Ventricular repolarization
Sudden tensing of chordae tendinae
35. What is the result of not have fast sodium channels in pacemaker cells?
Slow conduction velocity - used by AV node prolongs transmission from atria to ventrical
Neg inotropy - HF - narcotic overdose
Septal defects - PDA - pulm art stenosis
Left sided
36. pulseless disease - granulomatous thickening of the aortic arch and/or proximal great vessels - elev ESR - asian females > 40
37. What is the early and late lesion in rheumatic heart disease
Mitral valve prolapse
RF
Dec plasma proteins
Patent ductus arteriosus - congenital rubella or prematurity
38. What does increasing intracellular Ca do?
Yes
Increase contractility
Transposition of great vessels
SA>AV>bundle of His>ventricles
39. congenital heart defect with 22q11
Varicose veins - thromboembolism rare
In HF
CFX
Truncus - tet of fallot
40. bacterial endocarditis - previously normal valves - rapid onset - Which bacteria?
Persistant truncus arteriosus
S. aureus
Buerger's disease
Lymphangiosarcoma
41. with what heart sounds do ASD usually present?
Pulmonary flow murmur and diastolic rumble
Ventricular depolarization - nl < 120 msec
Proportional to viscosity and inversely proportional to the radius to the 4th power
Vasodilators
42. EDV is also known as
TAPVR
Preload
Lymphangiosarcoma
ANP
43. no change in PR interval followed by dropped beat
Arteriorles
2nd degree AV block - mobitz type 2 - may progess to 3rd degree block
Holosystolic - harsh sounding murmur - loudest over tricuspid area
SA>AV>bundle of His>ventricles
44. In normal S2 splitting - which valve closes first? What increases it?
The aortic before pulmonic - inspiration increases diff
QRS complex
Crescendo - decrescendo systolic ejection murmur following ejection click
Mean arterial pressure
45. What causes the CO curve to shift upwards?
Vasocxn - while other tissues it causes vasodilation
Rapid repol - massive K influx - opening of voltage gated slow K channels and closure of Ca channels
Immediate high pitched blowing diasystolic murmur with a wide pulse pressure
Pos inotropy - exercise
46. In the cardiac and vascular function curves - In what instance is the vascular curve shifted to the right?
Sarcoid - amyloid - postradiation fibrosis - endocardial fibroelastosis - Loffler - hemochromatosis
Transfusion
Immediate high pitched blowing diasystolic murmur with a wide pulse pressure
Acute thrombosis of coronary artery
47. In an inferior wall infarct - which artery is affected and which leads show Q waves
RCA
RCA - II - III - aVF
Strawberry hemangioma
Myxomatous degeneration - RF - chordae rupture
48. What is the S1 sound?
Postinfarction fibrinous pericarditis
RCA
Dilated cardiomyopathy
Mitral and tricuspid closure
49. Which lab value indicates blood viscosity?
Vasodilators - (hydrAlAzine)
Fick principle
Glossopharyngeal to soliary nucleus of medulla
Hematocrit
50. S3 - dilated heart on US - balloon appearance on CXR - eccentric hypertrophy
MI
Dilated cardiomyopathy
Stroke volume affected by contractility - afterload - and preload
Sarcoid - amyloid - postradiation fibrosis - endocardial fibroelastosis - Loffler - hemochromatosis