17691274
Descripción
Test por Marina Martins, actualizado hace más de 1 año
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Creado por Marina Martins
hace más de 5 años
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Pregunta 1
Pregunta
The cardiac form of white muscle disease mainly affects
Respuesta
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Neonates
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Older horses
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Highly active horses
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Older males
Pregunta 2
Pregunta
A 3 month old foal is brought in to the clinic. It is dyspnoeic, has an irregular heart rate and its blood values come back with low glutathione peroxidase and selenium levels. This foal likely has
Respuesta
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cardiac form of nutritional myodegeneration
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skeletal muscle form of nutritional myodegeneration
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First degree AV block
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Second degree AV block
Pregunta 3
Pregunta
Which of the following are released into the circulation with myocardial cell death and are indicators of myocarditis or myocardial necrosis?
Respuesta
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Creatinine Kinase (CK)
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Lactate Dehydrogenase (LDH)
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Selenium
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Glutathione peroxidase
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Cardiac Troponin I
Pregunta 4
Pregunta
In conventional ECG of horses, you typically put the positive electrode on the
Respuesta
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left apex
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right apex
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left base
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right base
Pregunta 5
Pregunta
In conventional ECG of horses, you typically put the negative electrode on the
Respuesta
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Left apex
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Left base
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Right apex
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Right base
Pregunta 6
Pregunta
Which type of atrioventricular block is always pathological?
Respuesta
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First degree
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Second degree
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Third degree
Pregunta 7
Pregunta
What is the most common pathological arrhythmia in horses?
Respuesta
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Atrial Fibrillation
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Second degree AV block
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Third degree AV block
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First degree AV block
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Ventricular premature contractions
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Atrial premature contractions
Pregunta 8
Pregunta
Which type of AV block has P waves that are normal shaped, occur at the expected time but without associated QRS complexes?
Respuesta
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First degree AV block
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Second degree AV block
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Third degree AV block
Pregunta 9
Respuesta
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First degree AV block
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Second degree AV block
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Third degree AV block
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Atrial fibrillation
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Atrial premature contractions
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Ventricular premature contractions
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Ventricular tachycardia
Pregunta 10
Pregunta
Which of the following does not typically initiate atrial fibrillation?
Respuesta
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atrial enlargement
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ventricular septal defect
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high vagal tone
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fast SA node rate
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variable refractory periods
Pregunta 11
Pregunta
What type of cardiac rhythm would you expect with atrial fibrillation?
Respuesta
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Irregularly irregular
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Regularly irregular
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Regularly regular
Pregunta 12
Pregunta
What is not typically a characteristic of an ECG of atrial fibrillation?
Respuesta
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no p waves
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f waves
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regularly irregular rhythm
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random depolarisation of AV node
Pregunta 13
Pregunta
Which of the following horses with atrial fibrillation would you prescribe quinidine sulphate for?
Respuesta
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an older, retired horse where atrial fibrillation is an incidental finding
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an active racehorse with exercise intolerance
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an older racehorse in early heart failure
Pregunta 14
Pregunta
Which of the following is FALSE regarding atrial premature contractions
Respuesta
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Normally occur during exercise
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Rarely require therapy as long as ventricular rate is also no increased
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Most are idiopathic
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The frequency increases in the recovery phase after strenuous exercise
Pregunta 15
Pregunta
What type of arrhythmia is shown in this ECG?
Respuesta
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Second degree AV block
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First degree AV block
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Third degree AV block
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Atrial premature contractions
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Ventricular premature contractions
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Ventricular tachycardia
Pregunta 16
Pregunta
What is the drug of first choice under anaesthesia for ventricular arrhythmias?
Respuesta
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Magnesium sulphate
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Lidocaine
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Propanolol
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Procainamide
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