USMLE/COMLEX - Step 2 - Beta Blocker Overdose
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USMLE/COMLEX - Step 2 - Beta Blocker Overdose
Mechanism of action of beta blockers?
Acts on beta-adrenergic receptors to decrease cardiac contractility slowing down the heart rate and renin release
Which conditions are beta blockers used for?
Atrial fibrillation/flutter
Acute coronary syndrome
Anxiety
Heart failure with reduced ejection fraction
Hypertension
Premature ventricular contraction
Hypertrophic obstructive cardiomyopathy
Hypertrophic cardiomyopathy
Unstable angina
Chronic stable angina
NSTEMI
Post-myocardial infarction
Hypertensive urgency
Aortic dissection
Hemangiomas
Thyroid storm
What are the side effects?
Bronchospasm
Bradycardia
CHF exacerbation
Impotence
Fatigue
Depression
How will a patient with toxicity present?
Bradycardic, hypotensive, cold, and wheezing