Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Cardiovascular > Tachyarrhythmias > Flashcards

Tachyarrhythmias Flashcards

1
Q

Atrial Fibrillation - Causes

A

Electrolyte imbalance Sepsis PE Hyperthyroidism Cardiomyopathy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Atrial Fibrillation - Pathophysiology

A

Dilation of the atria with fibrosis and inflammation causes a difference in refractory periods within the atrial tissue and promotes electrical re-entry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Atrial Fibrillation - ECG

A

Absent P waves Irregularly irregular ventricular rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Atrial Fibrillation - Management

A

Rate control - beta-blockers or digoxin in patients with CCF Rhythm control (cardioversion) - amiodarone Prophylaxis against thromboembolic complications depends on CHADSVASc score

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Atrial Flutter - Causes

A

Left atrial enlargement Mitral valve disease Post cardiac surgery PE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Atrial Flutter - Clinical Presentation

A

Exercise intolerance Palpitations Fatigue Lightheadedness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Atrial Flutter - ECG

A

Too many P waves Saw-tooth atrial defections Possible 2:1 AV block

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Atrial Flutter - Management

A

Rate control - beta-blockers or digoxin in patients with CCF Rhythm control (cardioversion) - amiodarone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ventricular Tachycardia - Causes

A

IHD Cardiomyopathy Post-AMI Mitral valve prolapse Digoxin toxicity Electrolyte disturbances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Ventricular Tachycardia - Pathophysiology

A

Slow conduction due to damaged myocardium or scarring May progress to VF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ventricular Tachycardia - ECG

A

Rapid, broad and abnormal QRS complexes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ventricular Tachycardia - Management

A

Amiodarone or sodium channel blockers (lignocaine)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Ventricular Fibrillation - Causes

A

VT Idiopathic (Brugada syndrome)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Ventricular Fibrillation - ECG

A

Rapid, shapeless oscillations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Torsades de Pointes - Causes

A

Congenital AMI Electrolyte disturbances Drugs - Quinidine, Sotalol, Tricyclic antidepressants, Macrolides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Torsades de Pointes - ECG

A

Long QT interval Complete 180 degree twist of QRS complexes

17
Q

Torsades de Pointes - Management

A

Correct electrolyte disturbances Stop causative drugs Atrial or ventricular pacing and beta-blockers Magnesium sulphate IV isoprenaline

18
Q
A

AF

19
Q
A

Atrial flutter

20
Q
A

Ventricular tachycardia

21
Q
A

Torsades de Pointes

22
Q
A

Cardiovascular (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions