5- syncope Flashcards Preview

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Flashcards in 5- syncope Deck (13)
1

how often can cause be determined

50%

2

what is best tool

ECG

3

2 main causes of syncope

CV and non-CV

4

CV causes

- V tach
- MI
- sick sinus
- pacemaker haywire
- aortic stenosis
- carotic sinus syncope
- PE
- SVT
- heart block

5

non CV causes

- situational - reflex generated
- orthostatic
- vasovagal

6

what is prognosis for syncope

CV - not great
non -CV - okay
unknown - good

7

most important part of Hx

duration of the warning period

8

4 parts of Phx

1. ortho BP
2. CVS exam
3. CNS exam
4. stool for OB

9

4 predictors of bad outcome

1. abnormal ECG
2. trauma
3. absence of sense of impending syncope
4. male

10

2 main investigations

ECG
ECG monitoring

11

5 ECG signs to look for

1. arrhythmias
2. heart block
3. interval abnormalities
4. PE finsings
5. ST changes (ischemia)

12

5 predictors of serious outcomes

1. CHF Hx
2. low hematocrit
3. abnormal ECG
4. dyspnea
5. S BP

13

4 causes of sudden death in athletes

1. hypertrophic cardiomyopathies
2. congential anomalies
3. arrythmis - long QT
4. chest blow