Atrial myxoma?

Atrial myxoma?
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DefinitionAn atrial myxoma is a noncancerous tumor in the upper left or right side of the heart. It grows on the wall (atrial septum) that separates the two sides of the heart.Causes, incidence, and risk factorsA myxoma is a primary heart (cardiac) tumor. This means that the tumor started within the heart. Most heart tumors start somewhere else.Primary cardiac tumors are rare. Myxomas are the most common type of these rare tumors. About 75% of myxomas occur in the left atrium of the heart, usually beginning in the wall that divides the two upper chambers of the heart. The rest are in the right atrium. Right atrial myxomas are sometimes associated with tricuspid stenosis and atrial fibrillation.Myxomas are more common in women. About 10% of myxomas are passed down through families (inherite
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­To deffrentiate between sinua arythmia and atrial firbllation a- carotid massage b- Temporal artery massage c- Amidrone d- digoxin

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Last Answer : decrease O2 supply to the muscle

Newborn with 300 bpm , with normal BP , normal RR , what do you will do for newborn : (atrial flutter) imp.  Cardiac Cardiversion  Verpamil  Digoxin  Diltzam iv

Description : Newborn with 300 bpm , with normal BP , normal RR , what do you will do for newborn : (atrial flutter) imp.  Cardiac Cardiversion  Verpamil  Digoxin  Diltzam iv

Last Answer : Digoxin

The most effective drug for prevention of stroke in atrial fibrillation patients is: A. Aspirin B. Warfarin C. Low dose subcutaneous heparin D. Digoxin

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Last Answer : B. Warfarin

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Last Answer : C. Digitalis induced ventricular extrasystoles

Lignocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because: A. It has a rapidly developing and titratable antiarrhythmic action B. It causes little myocardial depression and hypotension C. It has broad spectrum antiarrhythmic efficacy in atrial as well as ventricular arrhythmias D. Both ‘A’ and ‘B’ are correct

Description : Lignocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because: A. It has a rapidly developing and titratable antiarrhythmic action B. It causes ... atrial as well as ventricular arrhythmias D. Both A' and B' are correct

Last Answer : D. Both ‘A’ and ‘B’ are correct

yocardial Na+ channel blockade by lignocaine has the following characteristic: A. It blocks inactivated Na+ channels more than activated channels B. It blocks activated Na+ channels more than inactivated channels C. It delays rate of recovery of Na+ channels D. It produces more prominent blockade of atrial than ventricular Na+ channels

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Last Answer : A. It blocks inactivated Na+ channels more than activated channels

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Last Answer : D. Prevention of recurrences of atrial fibrillation/ ventricular tachycardia

Quinidine can cause paradoxical tachycardia in a patient of: A. Sick sinus syndrome B. Atrial extrasystoles C. Atrial fibrillation D. Ventricular extrasystoles

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Last Answer : C. Atrial fibrillation

Quinidine has the following action on electrophysiological properties of the heart except: A. Decreases automaticity of Purkinje fibres B. Abolishes after depolarizations C. Prolongs refractory period of atrial fibres D. Decreases membrane responsiveness of atrial and ventricular fibres

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Last Answer : B. Abolishes after depolarizations

Digoxin produces the following effect(s) in atrial flutter: A. Reduces ventricular rate B. Prevents shift of A-V block to a lower grade C. Converts atrial flutter to atrial fibrillation D. All of the above

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Last Answer : D. All of the above