Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Sick Sinus Syndrome - symptomatic |
Permanent pacing |
|
|
|
AV Block 1st degree |
PR interval is greater than 0.21 seconds |
|
|
|
AV block, 2nd degree |
Not all atrial beats are conducted to the ventricles Abnormal conduction of AV node |
1. Wenkebach 2. Mobitz |
|
|
Wenckebach |
Progressive lengthening of the PR interval with shortening of the RR interval
Eventually an atrial pulse is not conducted |
Repeated cycles of: Normal PR interval Long, longer, even longer PR interval Then a dropped beat |
|
|
Mobitz |
Intermittently nonconducted atrial beats Due to block within the HIS bundle |
Secondary to infranodal disease |
|
|
Third degree AV block |
Complete dissociation of atria and ventricles |
Lesion distal to HIS bundle |
|
|
AV block treatment |
Permanent cardiac pacing for Mobitz type 2 and 3rd degree AV block |
Temporary treatment : transthoracic or transvenous pacing |
