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

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

1 Answer

Answer :

C. Atrial fibrillation
by

Related questions

Quinidine can cause paradoxical tachycardia in a patient of (a) Stick sinus syndrome (b) Auricular extrasystoles (c) Auricular fibrillation (d) Ventricular extrasystoles

Description : Quinidine can cause paradoxical tachycardia in a patient of (a) Stick sinus syndrome (b) Auricular extrasystoles (c) Auricular fibrillation (d) Ventricular extrasystoles

Last Answer : Ans: C

Quinidine is now used primarily for (a) Conversion of auricular fibrillation to sinus rhythm (b) Control of ventricular rate in atrial flutter (c) Termination of ventricular tachycardia (d) Prevention of recurrences of atrial and ventricular extrasystoles/tachycardias

Description : Quinidine is now used primarily for (a) Conversion of auricular fibrillation to sinus rhythm (b) Control of ventricular rate in atrial flutter (c) Termination of ventricular tachycardia (d) Prevention of recurrences of atrial and ventricular extrasystoles/tachycardias

Last Answer : Ans: D

Quinidine is now used primarily for: A. Conversion of atrial fibrillation to sinus rhythm B. Control of ventricular rate in atrial flutter C. Termination of ventricular tachycardia D. Prevention of recurrences of atrial fibrillation/ ventricular tachycardia

Description : Quinidine is now used primarily for: A. Conversion of atrial fibrillation to sinus rhythm B. Control of ventricular rate in atrial flutter C. Termination of ventricular tachycardia D. Prevention of recurrences of atrial fibrillation/ ventricular tachycardia

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

ignocaine is effective in the following cardiac arrhythmia(s): A. Atrial fibrillation B. Paroxysmal supraventricular tachycardia C. Digitalis induced ventricular extrasystoles D. All of the above

Description : ignocaine is effective in the following cardiac arrhythmia(s): A. Atrial fibrillation B. Paroxysmal supraventricular tachycardia C. Digitalis induced ventricular extrasystoles D. All of the above

Last Answer : C. Digitalis induced ventricular extrasystoles

What is the usual response to digoxin in a patient of atrial fibrillation: A. Restoration of normal sinus rhythm B. Conversion of atrial fibrillation to atrial flutter C. Increase in atrial fibrillation frequency, but decrease in ventricular rate D. Decrease in atrial fibrillation frequency, but increase in ventricular rate

Description : What is the usual response to digoxin in a patient of atrial fibrillation: A. Restoration of normal sinus rhythm B. Conversion of atrial fibrillation to atrial flutter C. Increase in ... decrease in ventricular rate D. Decrease in atrial fibrillation frequency, but increase in ventricular rate

Last Answer : C. Increase in atrial fibrillation frequency, but decrease in ventricular rate

Infusion of potassium chloride is indicated in digitalis toxicity when the manifestation(s) is/are: A. Vomiting, hyperapnoea and visual disturbance B. Pulsus bigeminus with heart rate 110/min in a patient on maintenance digoxin therapy C. Ventricular tachycardia in a child who has accidentally ingested 10 digoxin tablets D. 2:1 A-V block with occasional ventricular extrasystoles

Description : Infusion of potassium chloride is indicated in digitalis toxicity when the manifestation(s) is/are: A. Vomiting, hyperapnoea and visual disturbance B. Pulsus bigeminus with heart rate 110/min ... accidentally ingested 10 digoxin tablets D. 2:1 A-V block with occasional ventricular extrasystoles

Last Answer : B. Pulsus bigeminus with heart rate 110/min in a patient on maintenance digoxin therapy

The following is true of procainamide except: A. It generates an active metabolite in the body B. Its plasma half-life is longer than that of quinidine C. On long-term use, it can cause systemic lupus erythematosus like illness D. It is effective in many cases of ventricular extrasystoles, not responding to lignocaine

Description : The following is true of procainamide except: A. It generates an active metabolite in the body B. Its plasma half-life is longer than that of quinidine C. On long-term use, it ... erythematosus like illness D. It is effective in many cases of ventricular extrasystoles, not responding to lignocaine

Last Answer : A. Disopyramide

Procainamide differs from quinidine in the following respect(s): A. It does not cause paradoxical tachycardia B. It has no α adrenergic blocking activity C. It has little antivagal action D. Both ‘B’ and ‘C’ are corre

Description : Procainamide differs from quinidine in the following respect(s): A. It does not cause paradoxical tachycardia B. It has no α adrenergic blocking activity C. It has little antivagal action D. Both ‘B’ and ‘C’ are corre

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

Procainamide differs from quinidine in the following respect(s): A. It does not cause paradoxical tachycardia B. It has no α adrenergic blocking activity C. It has little antivagal action D. Both ‘B’ and ‘C’ are correct

Description : Procainamide differs from quinidine in the following respect(s): A. It does not cause paradoxical tachycardia B. It has no α adrenergic blocking activity C. It has little antivagal action D. Both ‘B’ and ‘C’ are correct

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

Select the most suitable antiarrhythmic drug for counteracting ventricular extrasystoles due to digoxin toxicity: A. Lignocaine B. Quinidine C. Verapamil D. Amiodarone

Description : Select the most suitable antiarrhythmic drug for counteracting ventricular extrasystoles due to digoxin toxicity: A. Lignocaine B. Quinidine C. Verapamil D. Amiodarone

Last Answer : A. Lignocaine

Which of the following terms is used to describe a tachycardia characterized by abrupt onset, abrupt cessation, and a QRS of normal duration? a) Paroxysmal atrial tachycardia PAT is often caused by a conduction problem in the AV node and is now called AV nodal reentry tachycardia. b) Sinus tachycardia Sinus tachycardia occurs when the sinus node regularly creates an impulse at a faster-than-normal rate. c) Atrial flutter Atrial flutter occurs in the atrium and creates an atrial rate between 250-400 times per minute. d) Atrial fibrillation Atrial fibrillation causes a rapid, disorganized, and uncoordinated twitching of atrial musculature.

Description : Which of the following terms is used to describe a tachycardia characterized by abrupt onset, abrupt cessation, and a QRS of normal duration? a) Paroxysmal atrial tachycardia PAT ... fibrillation Atrial fibrillation causes a rapid, disorganized, and uncoordinated twitching of atrial musculature.

Last Answer : a) Paroxysmal atrial tachycardia PAT is often caused by a conduction problem in the AV node and is now called AV nodal reentry tachycardia.

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

Description : 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

Last Answer : D. All of the above

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

Description : 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

Last Answer : B. Abolishes after depolarizations

Procainamide differs from quinidine in the following respect (a) It does not cause paradoxical tachycardia (b) It has no alfa adrenergic blocking activity (c) It has little antivagal action (d) Both (b) and (c) Ans: D 68. In heart, potassium channels determine (a) Pacemaker function (b) Resting potential (c) Action potential duration (d) All of the above

Description : Procainamide differs from quinidine in the following respect (a) It does not cause paradoxical tachycardia (b) It has no alfa adrenergic blocking activity (c) It has little antivagal action (d) Both (b ... a) Pacemaker function (b) Resting potential (c) Action potential duration (d) All of the above

Last Answer : Ans: D

A patient of CHF was treated with furosemide and digoxin. He became symptom-free and is stable for the last 3 months with resting heart rate 68/min in sinus rhythm but left ventricular ejection fraction is low. Which of the following lines of action is warranted: A. Stop above medication and start an ACE inhibitor B. Continue all medication as before C. Continue the diuretic but stop digoxin D. Continue digoxin but stop the diuretic

Description : A patient of CHF was treated with furosemide and digoxin. He became symptom-free and is stable for the last 3 months with resting heart rate 68/min in sinus rhythm but left ventricular ... medication as before C. Continue the diuretic but stop digoxin D. Continue digoxin but stop the diuretic

Last Answer : A. Stop above medication and start an ACE inhibitor

Streptokinase therapy of myocardial infarction is contraindicated in the presence of the following except: A. Peptic ulcer B. Ventricular extrasystoles C. History of recent trauma D. Severe hypertension

Description : Streptokinase therapy of myocardial infarction is contraindicated in the presence of the following except: A. Peptic ulcer B. Ventricular extrasystoles C. History of recent trauma D. Severe hypertension

Last Answer : B. Ventricular extrasystoles

The following adverse effect can occur even long after withdrawal of the offending drug: A. Paradoxical tachycardia B. Tardive dyskinesia C. Malignant hyperthermia D. Gynaecomastia

Description : The following adverse effect can occur even long after withdrawal of the offending drug: A. Paradoxical tachycardia B. Tardive dyskinesia C. Malignant hyperthermia D. Gynaecomastia

Last Answer : B. Tardive dyskinesia

The effect of propranolol on heart rate is least marked under the following condition: A. Physical exercise B. Rest C. Anxiety D. Sick sinus syndrome

Description : The effect of propranolol on heart rate is least marked under the following condition: A. Physical exercise B. Rest C. Anxiety D. Sick sinus syndrome

Last Answer : B. Rest

The effect of propranolol on heart rate is least marked under the following condition: A. Physical exercise B. Rest C. Anxiety D. Sick sinus syndrome

Description : The effect of propranolol on heart rate is least marked under the following condition: A. Physical exercise B. Rest C. Anxiety D. Sick sinus syndrome

Last Answer : B. Rest

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

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

Last Answer : B. Warfarin

Long-term maintenance therapy with digoxin is the best option in the following category of CHF patients: A. Hypertensive patients B. Patients with hypertrophic cardiomyopathy C. Patients with associated atrial fibrillation D. Patients having cardiac valvular defects

Description : Long-term maintenance therapy with digoxin is the best option in the following category of CHF patients: A. Hypertensive patients B. Patients with hypertrophic cardiomyopathy C. Patients with associated atrial fibrillation D. Patients having cardiac valvular defects

Last Answer : C. Patients with associated atrial fibrillation

The following drug is preferred for termination as well as prophylaxis of paroxysmal supraventricular tachycardia: A. Digoxin B. Verapamil C. Propranolol D. Quinidine

Description : The following drug is preferred for termination as well as prophylaxis of paroxysmal supraventricular tachycardia: A. Digoxin B. Verapamil C. Propranolol D. Quinidine

Last Answer : B. Verapami

Choose the antiarrhythmic drug which prolongs action potential, can aggravate atrioventricular block but not heart failure, and has broad spectrum utility in acute as well as chronic, and ventricular as well as supraventricular arrhythmias: A. Quinidine B. Amiodarone C. Mexiletine D. Diltiazem

Description : Choose the antiarrhythmic drug which prolongs action potential, can aggravate atrioventricular block but not heart failure, and has broad spectrum utility in acute as well as chronic, and ventricular as well as supraventricular arrhythmias: A. Quinidine B. Amiodarone C. Mexiletine D. Diltiazem

Last Answer : B. Amiodarone

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

Description : 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 ... Na+ channels D. It produces more prominent blockade of atrial than ventricular Na+ channels

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

Digoxin is contraindicated in: A. Angina pectoris patients B. Ventricular tachycardia C. Hypertensive patients D. Complete heart-block

Description : Digoxin is contraindicated in: A. Angina pectoris patients B. Ventricular tachycardia C. Hypertensive patients D. Complete heart-block

Last Answer : B. Ventricular tachycardia

A patient has been taking digoxin for several years for chronic heart failure is about to receive atropine for another condition. A common effect of digoxin (at therapeutic blood levels) that can be almost entirely blocked by atropine is (a) Decreased appetite (b) Increased atrial contractility (c) Increased PR interval on the ECG (d) Headaches (e) Tachycardia

Description : A patient has been taking digoxin for several years for chronic heart failure is about to receive atropine for another condition. A common effect of digoxin (at therapeutic blood levels) that can ... Increased atrial contractility (c) Increased PR interval on the ECG (d) Headaches (e) Tachycardia

Last Answer : Ans: C

Which of the following are not determinants of a postoperative cardiac complication? A. Myocardial infarct 4 months previously. B. Clinical evidence of congestive heart failure in a patient with 8.5 gm. per dl. hemoglobin. C. Premature atrial or ventricular contractions on electrocardiogram. D. A harsh aortic systolic murmur. E. Age over 70 years.

Description : Which of the following are not determinants of a postoperative cardiac complication? A. Myocardial infarct 4 months previously. B. Clinical evidence of congestive heart failure in a patient with 8.5 gm ... on electrocardiogram. D. A harsh aortic systolic murmur. E. Age over 70 years.

Last Answer : Answer: B DISCUSSION: Clinical evidence of congestive heart failure in a patient with 8.5 gm. per dl. hemoglobin concentration is a misleading sign. Evidence of congestive ... or ventricular contractions on the electrocardiogram are less strong determinants of a postoperative cardiac complication

if you suspect atrial flutter : Consider digoxin if not already in use because it frequently increases the conduction ratio and decreases the ventricular rate. , Avoid adrenergic and atropinic agents during sedation or anesthesia for cardioversion. Ketamine is relatively contraindicatedthe cause of premature ventricular contraction? decrease O2 supply to the muscle decrease blood supply to the muscle the heart trying to beat fast ______________________________

Description : if you suspect atrial flutter : Consider digoxin if not already in use because it frequently increases the conduction ratio and decreases the ventricular rate. , Avoid adrenergic and ... to the muscle decrease blood supply to the muscle the heart trying to beat fast ______________________________

Last Answer : decrease O2 supply to the muscle

Sick sinus syndrome?

Description : Sick sinus syndrome?

Last Answer : DefinitionSick sinus syndrome is a collection of heart rhythm disorders that include:Sinus bradycardia -- slow heart rates from the natural pacemaker of the heartTachycardias -- fast heart ratesBradycardia ... slow heart rates when the tachycardia ends.Abnormal heart rhythms are often made worse by

A patient of acute myocardial infarction being treated in intensive care unit developed left ventricular failure with raised central venous pressure. It was decided to use glyceryl trinitrate. Which route/method of administration would be most suitable: A. Sublingual B. Oral C. Intravenous bolus injection D. Slow intravenous infusion

Description : A patient of acute myocardial infarction being treated in intensive care unit developed left ventricular failure with raised central venous pressure. It was decided to use glyceryl trinitrate. Which route ... suitable: A. Sublingual B. Oral C. Intravenous bolus injection D. Slow intravenous infusion

Last Answer : D. Slow intravenous infusion

Is there a non-drug herbal remedy for atrial fibrillation?

Description : Is there a non-drug herbal remedy for atrial fibrillation?

Last Answer : answer:Get a second opinion from a licensed cardiologist, anti-arrhythmia isn't something to play around with by eating oregano or peppermint leaves or whatever. If your cardiologist feels your treatment is adequate and ... when it could mean your life. Best of luck, I hope they get you sorted out.

Atrial fibrillation/flutter?

Description : Atrial fibrillation/flutter?

Last Answer : DefinitionAtrial fibrillation/flutter is a heart rhythm disorder (arrhythmia). It usually involves a rapid heart rate that is not regular.Alternative NamesAuricular fibrillation; A-fibCauses, incidence, and risk ... leaves the SA node and travels through the two upper chambers (atria).Then the sign

How can I test for atrial fibrillation (a form of cardiac arrhythmia)?

Description : How can I test for atrial fibrillation (a form of cardiac arrhythmia)?

Last Answer : A doctor can detect an irregular heartbeat during a physical exam by taking your pulse, listening to your heartbeat or by performing diagnostic tests.

Plenty of Treatment Options for Atrial Fibrillation?

Description : Plenty of Treatment Options for Atrial Fibrillation?

Last Answer : There is a wide variety of drugs and procedures available to effectively treat atrial fibrillation. One option involves simple changes to the patient's diet and lifestyle. Many times ... valve disorder, then successful treatment of that disorder may effectively treat your atrial fibrillation.

Digoxin given for cardiac failure is extremely valuable in patients of (a) Thyrotoxicosis (b) Beriberi (c) Cor pulmonale (d) Atrial fibrillation

Description : Digoxin given for cardiac failure is extremely valuable in patients of (a) Thyrotoxicosis (b) Beriberi (c) Cor pulmonale (d) Atrial fibrillation

Last Answer : Ans: D

Which of the following drugs is a class III antiarrhythmic agent that is effective in the acute management of atrial fibrillation or atrial flutter of recent onset ? (a) Bretylium (b) Lbutilide (c) Metoprolol (d) Disopyramide

Description : Which of the following drugs is a class III antiarrhythmic agent that is effective in the acute management of atrial fibrillation or atrial flutter of recent onset ? (a) Bretylium (b) Lbutilide (c) Metoprolol (d) Disopyramide

Last Answer : Ans: B

The limitations of quinidine in the treatment of cardiac arrhythmias include the following except: A. It has narrow spectrum antiarrhythmic activity B. It is not tolerated by many patients C. It can precipitate myocardial decompensation D. It can cause marked hypotension

Description : The limitations of quinidine in the treatment of cardiac arrhythmias include the following except: A. It has narrow spectrum antiarrhythmic activity B. It is not tolerated by many patients C. It can precipitate myocardial decompensation D. It can cause marked hypotension

Last Answer : A. It has narrow spectrum antiarrhythmic activity

A 16-year-old-girl is found to have paroxysmal attacks of rapid heart rate. The antiarrhythmic of choice in most cases of acute AV nodal tachycardia is (a) Adenosine (b) Amiodarone (c) Flecainide (d) Propranolol (e) Quinidine

Description : A 16-year-old-girl is found to have paroxysmal attacks of rapid heart rate. The antiarrhythmic of choice in most cases of acute AV nodal tachycardia is (a) Adenosine (b) Amiodarone (c) Flecainide (d) Propranolol (e) Quinidine

Last Answer : Ans: A

Which of the following drugs is preferred for termination of paroxysmal supraventricular tachycardia (a) Digoxin (b) Quinidine (c) Propranolol (d) Verapamil

Description : Which of the following drugs is preferred for termination of paroxysmal supraventricular tachycardia (a) Digoxin (b) Quinidine (c) Propranolol (d) Verapamil

Last Answer : Ans: D

Dexamphetamine produces an apparently paradoxical effect in: A. Addicts B. Athletes C. Parkinsonian patients D. Hyperkinetic children

Description : Dexamphetamine produces an apparently paradoxical effect in: A. Addicts B. Athletes C. Parkinsonian patients D. Hyperkinetic children

Last Answer : Hyperkinetic children

Dexamphetamine produces an apparently paradoxical effect in: A. Addicts B. Athletes C. Parkinsonian patients D. Hyperkinetic children

Description : Dexamphetamine produces an apparently paradoxical effect in: A. Addicts B. Athletes C. Parkinsonian patients D. Hyperkinetic children

Last Answer : . Hyperkinetic children

What exactly is atrial tachycardia?

Description : What exactly is atrial tachycardia?

Last Answer : Atrial tachycardia is a rhythm disturbance that arises in the atria. Atrial tachycardia can be observed in persons with normal hearts. for more information medicine.medscape.com/article/151456-overview

What is atrial tachycardia and how do you treat it?

Description : What is atrial tachycardia and how do you treat it?

Last Answer : Atrial tachycardia is a condition of the heart. This website provides some quick information that should be helpful for you: http://emedicine.medscape.com/article/151456-treatment

The cardiac response to verapamil and nifedipine in human subjects is: A. Verapamil causes tachycardia while nifedipine causes bradycardia B. Both cause bradycardia C. Verapamil causes bradycardia while nifedipine causes tachycardia D. Both cause tachycardia

Description : The cardiac response to verapamil and nifedipine in human subjects is: A. Verapamil causes tachycardia while nifedipine causes bradycardia B. Both cause bradycardia C. Verapamil causes bradycardia while nifedipine causes tachycardia D. Both cause tachycardia

Last Answer : C. Verapamil causes bradycardia while nifedipine causes tachycardia

Use of ritodrine to arrest premature labour can cause the following complications except: A. Tachycardia B. Fall in blood pressure C. Hypoglycaemia D. Pulmonary edema

Description : Use of ritodrine to arrest premature labour can cause the following complications except: A. Tachycardia B. Fall in blood pressure C. Hypoglycaemia D. Pulmonary edema

Last Answer : C. Hypoglycaemia

Lidocaine 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 casues little myocardial depression and hypotension (c) It has broad spectrum antiarrhythmic efficacy in atrial as well as ventricular arrhythmias (d) Both (a) and (b)

Description : Lidocaine 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 casues ... efficacy in atrial as well as ventricular arrhythmias (d) Both (a) and (b)

Last Answer : Ans: D

In addition to pulmonary stenosis and ventricular septal defect, Tetralogy of Fallot includes: A A. Dextroposition of aorta and right ventricular hypertrophy B. Dextroposition of aorta and left ventricular hypertrophy C. Right ventricular hypertrophy and left atrial dilatation D. None of these

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Last Answer : Dextroposition of aorta and right ventricular hypertrophy