Adenosine in Critical Care

What is the primary role of adenosine in emergency situations?

• To treat hypertension

• To reduce fever

• To alleviate pain

• To manage unstable tachycardia

Adenosine is a naturally occurring compound known as a:

• Purine nucleoside

• Protein

• Carbohydrate

• Lipid

Which receptor does adenosine activate to cause vasodilation in endothelial tissue?

• A2B receptor

• A1 receptor

• Beta receptor

• Alpha receptor

What is a common side effect of adenosine?

• Weight gain

• Increased appetite

• Hair loss

• Shortness of breath

In which condition should adenosine be used cautiously due to the risk of bronchoconstriction?

• Hypertension

• Obstructive lung disease

• Diabetes

• Liver disease

What is the initial dose of adenosine for treating supraventricular tachycardia (SVT)?

• 9 milligrams

• 12 milligrams

• 6 milligrams

• 3 milligrams

What is the purpose of using a three-way stopcock when administering adenosine?

• To slow down the medication delivery

• To measure the patient's blood pressure

• To mix the medication with saline

• To ensure rapid administration and follow-up flush

What is the alternative use of adenosine or its analog in hospitals?

• Antibiotic treatment

• Blood sugar regulation

• Cardiac stress tests

• Pain management

What is the dose of adenosine used in a cardiac stress test?

• 200 micrograms per kilogram per minute

• 100 micrograms per kilogram per minute

• 50 micrograms per kilogram per minute

• 140 micrograms per kilogram per minute

What is the phenomenon called when adenosine causes ischemia post blockage?

• Cardiac arrest

• Cardiac steel

• Myocardial infarction

• Heart failure