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Test

AMI

jimmy_sheehan318 16 preguntas Actualizado el 19 feb 2016

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Preguntas del test (16)

  1. 1Match the artery to the supply of myocardium and leads of ECG
    [blank_start]R) Coronary Artery[blank_end]....R) Atrium, SA & AV nodes, Inferior wall of R) ventricle....Lead 1,2 & AVF
    [blank_start]R) Marginal[blank_end]...Inferior wall of R) Ventricle, Apex of Heart....Leads 1, 2 & AVF
    R) Posterior Interventricular....R) & L) ventricles, Posterior intermuscular septum....Leads [blank_start]V1, V2[blank_end] (depression)
    [blank_start]L) Anterior Descending[blank_end]....L) ventricle anterior wall, Anteroseptal, Anteroapical....V1-4,
    [blank_start]L) Circumflex[blank_end]....Left Atrium, Left Ventricle, Anterolateral Wall...V5-V6, Lead 1, avL
    1. AR) Coronary Artery
    2. BR) Anterior Artery
    3. CR) Marginal
    4. DL) Marginal
    5. EL) Circumflex
    6. FL) Interventricular
    7. GL) Anterior Descending
    8. HGreat Cardiac Vein
    9. IV1, V2
    10. JV4-V6
  2. 2Macrophages which are transformed into foam cells, secrete cytokines which propagate atherosclerosis?
    1. AVerdadero
    2. BFalso
  3. 3ST segment: The ST segment represents the time interval at the end of [blank_start]ventricular depolarisation[blank_end] to the time of [blank_start]ventricular repolarisation[blank_end]. At this time there is no difference in electrical potential, therefore there is no deflection, and this segment should be isoelectric.
    Changes in the ST segment are caused by disturbances in repolarisation and may be reflected in elevation or depression of ST segment.
    The ST segment is measured from the [blank_start]end[blank_end] of the QRS complex to the [blank_start]beginning[blank_end] of the T wave.
    1. Aventricular repolarisation
    2. Bventricular contraction
    3. Cventricular depolarisation
    4. DVentricular contraction
    5. Eend
    6. Fstart
    7. Gbeginning
    8. Hend
  4. 4Which of these are characteristics of PR interval?
    1. AMeasured from end of P wave to beginning of QRS?
    2. BMeasured from start of P wave to beginning of QRS?
    3. CRepresent time required for impulse to depolarise atria, traverse AV node and enter ventricular system.
    4. DNormally 0.08-0.12
    5. ENormally 0.12-0.20
  5. 5QRS complex: Normal duration/ interval [blank_start]0.08- 0.10[blank_end] secs. The QRS complex reflects [blank_start]ventricular[blank_end] depolarisation (NOT ventricular contraction, which is associated with ST). Not every QRS complex contains a Q wave, R wave and S wave; it depends on the position of the lead and underlying myocardium.
    1. A0.08- 0.10
    2. B0.12-0.20
    3. Cventricular
    4. Datrial
  6. 6Angina is caused by decreased blood supply within the coronary arteries causing [blank_start]ischaemia[blank_end]. It normally occurs during periods of strenuous activity where the heart cannot meet the O2 requirements of the myocardial tissue.
    Stable angina- physical exertion, [blank_start]responds[blank_end] to rest and medication
    Unstable angina- does not respond to rest or medication
    Variant angina- Caused by [blank_start]coronary[blank_end] spasm
    1. Aischaemia
    2. Bresponds
    3. Ccoronary
  7. 7Treatment of angina is normally through?
    1. AGTN- causes vasodilation of the coronary vessels via increased cGMP
    2. BAspirin- irreversibly inhibits COX enzymes which reduces prostaglandins and thromboxane
    3. CStenting
    4. Dbeta-blockers
  8. 8The pathology of coronary artery atherosclerosis involves [blank_start]chronic[blank_end] endothelial injury, endothelial dysfunction, smooth muscle migration from [blank_start]tunica media[blank_end] to tunica intima, engulfment by [blank_start]macrophages[blank_end], formation of foam cells, proliferation of SMC's and collagen.
    1. Achronic
    2. Bacute
    3. Ctunica media
    4. Dtunica externa
    5. Emacrophages
    6. Fdebris
    7. Glipids
  9. 9Which layers will typically be first to undergo infarction?
    1. Apericardial
    2. Bmyocardial
    3. Csubendocardial
  10. 10List the most common pathological conditions affecting the pericardium?
    1. ACardiac Tamponade- fluid within the pericardial sac
    2. BPericarditis- inflammation of the pericardium relieved by sitting up and worsened by supine
    3. CPericardial effusion which can be haemoserous, fibrinoserous, suppuratives.
    4. DPericardial Cancer

Información

Descripción
AMI pathology and treatment
Idioma
English
Visitas
29
Historial
Creado el 19 nov 2015 · actualizado el 19 feb 2016
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