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Questions and Answers
What is the primary use of atropine in routine preoperative medications?
What is the primary use of atropine in routine preoperative medications?
- To decrease airway secretions
- To relieve anxiety
- To increase airway secretions (correct)
- To induce anesthesia
In the case of marked vagal stimulation, what is the appropriate therapy to improve cardiac output?
In the case of marked vagal stimulation, what is the appropriate therapy to improve cardiac output?
- Beta-agonists
- Calcium channel blockers
- Parenteral atropine or similar antimuscarinic drug (correct)
- Diuretics
For which condition are antimuscarinic agents rarely used?
For which condition are antimuscarinic agents rarely used?
- Peptic ulcer disease (correct)
- Abdominal colic
- Traveler's diarrhea
- Mild hypermotility conditions
Which drug is selective for M3 receptors and used to relieve bladder spasms?
Which drug is selective for M3 receptors and used to relieve bladder spasms?
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What condition can be alleviated by antimuscarinic agents?
What condition can be alleviated by antimuscarinic agents?
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Study Notes
Respiratory Disorders
- Atropine increases airway secretions
- Ipratropium is a synthetic version of atropine used to treat asthma
Cardiovascular Disorders
- Vagal stimulation can reduce heart function
- Atropine and similar drugs are given to counter this
Gastrointestinal Disorders
- Antimuscarinic agents can ease stomach cramps, traveler's diarrhea, and other hypermotility situations
- Often used with opioid antidiarrheal drugs
- Not commonly used for peptic ulcers
Urinary Disorders
- Atropine and similar drugs help urinary urgency in minor bladder inflammation
- Oxybutynin helps bladder spasms after surgery and increases bladder capacity and continence
Other Applications
- Antimuscarinic drugs reduce excessive sweating (hyperhidrosis)
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