LOSS OF CONSCIOUSNESS

Question 1

Generalized tonic-clonic seizure DDx:

4

Answer 1

1. Convulsive syncope.
2. Substance abuse/OD.
3. Malingering.
4. Hypoglycemia.

Question 2

Generalized tonic-clonic seizure workup:

8

Answer 2

1. CBC.
2. Electrolytes, glucose.
3. Urine tox.
4. EEG.
5. MRI brain.
6. CT head.
7. LP—CSF analysis.
8. ECG.

Question 3

Drug-induced orthostatic hypotension (causing syncope) DDx:

6

Answer 3

1. Hypoglycemia.
2. Cardiac arrhythmia.
3. Syncope (vasovagal, other causes).
4. Stroke.
5. MI.
6. Pulmonary embolism.

Question 4

Drug-induced orthostatic hypotension (causing syncope) workup:

(9)

Answer 4

1. Orthostatic VS.
2. CBC.
3. Electrolytes, glucose.
4. Echocardio.
5. CT head.
6. ECG.
7. V/Q.
8. CTA chest with IV contrast.
9. D-dimer.

Question 5

Cardiac arrhythmia (causing syncope) DDx:

4

Answer 5

1. Severe aortic stenosis.
2. Syncope (other causes).
3. Seizure.
4. Pulmonary embolism.

Question 6

Cardiac arrhythmia (causing syncope) workup:

6

Answer 6

1. ECG.
2. Holter monitoring.
3. CBC.
4. Electrolytes, glucose.
5. Echocardio.
6. CT head.