Author: advancedlifesupportmcq

Pretest ALS type MCQ

Posted by on in ALSMCQ PILLS

Regarding pulseless electrical activity (PEA):

a) Is an infrequent rhythm first monitored in a cardiac arrest.
b) Is defined by evidence of ventricular activity on the ECG that would normally be associated with a pulse.
c) Can be treated by administration of 300 mg amiodarone IV.
d) Is a common cardiac arrest rhythm in patients with severe haemorrhage.
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Resuscitation

Posted by on in ALSMCQ PILLS

During resuscitation in a cardiac arrest?
a) Ventricular fibrillation is the most common initial rhythm identified.
b) Ventricular fibrillation is a positive predictor of survival.
c) To restore myocardial perfusion is the primary goal in cardiopulmonar resuscitation.
d) The initiation of thrombolytic therapy in the prehospital setting improves patient outcome.

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Defibrillation

Posted by on in ALSMCQ PILLS

Defibrillation during cardiopulmonar resuscitation should be performed:

a) It should be delayed until the patient´s core temperature is over 30ºC:

b) After each shock a 10 – seconds pulse check should be done:

c) Adrenaline must be given after the third shock for refractory VT or VF:

d) It should be done after 2 minutes of good – quality CPR:

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Tricyclic Antidepressant Intoxication.

Posted by on in ALSMCQ PILLS

A 48 year – old woman is brought by ambulance to the Emergency Department after 45 minutes of ingestion 58 tablets of Amitryptiline.  Her GCS is 14; BP 100/48 mmHg, HR 54, RR 22.  There are not arrhythmias but in the ECG can be observed a prolonged QT interval (460 ms). Her blood gas reveals the following results:

pH: 7.36
PaO2 12.5 kPa (93.7 mmHg)
PaCO2 3.5 kPa (26.2 mmHg)
CO3H 18 mmol/l
Lactate 4.9 mmol/l (88.2 mg/dl).
Na 142 mmol/l
K 4.4 mmol/l
Cl 102 mmol/l
Glucose: 5.4 mmol/l (97 mg/dl)
Salicylates and Paracetamol: Undetectable.
Which of the following statements are correct regarding this intoxication?:

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Acid – Base Disturbances

Posted by on in ALSMCQ PILLS

A 50 year – old gentleman with past medical history of a peptic ulcer disease that treated himself with alkalis (calcium carbonate, milk, almagate and aluminium hydroxide) is brought to A&E with complaints of severe vomiting and weakness.  A room air arterial blood gas revealed the following results:
pH 7.44
PaCO2 6.6 kPa (50 mmHg)
PaO2 8.7 kPa (66 mmHg)
HCO3 35 mmol/l
Na 139 mm0l/l
K 4.5 mmol/l
Cl 95 mmol/l
Ca 3 mmol/l (12 mg/dl)
What is the acid – base disturbance?:

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