63 results
Beta blocker Conversion Table- Carvedilol, Metoprolol and Bisoprolol Equivalents
Converting between Beta-Blockers: Carvedilol, Metoprolol and Bisoprolol

#Pharmacology #Cardiology
Beta blocker Conversion ... Converting between Beta-Blockers ... #BetaBlocker #Conversion
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Bradycardia Diagnostic ... Hypothyroidism - TOX: beta-blockers ... LIFE THREATENING CAUSES ... TREATMENT - Drugs (beta-blockers ... Diagnosis #Management #Bradycardia
Pharmaceutical Management of Hyperthyroidism / Thyroid Storm
Beta-Blockers 
• Decreases sympathetic hyperactivity 
• Partially blocks peripheral conversion
Thyroid Storm Beta-Blockers ... • Partially blocks ... peripheral conversion ... • Decreases conversion ... Decrease peripheral conversion
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... of Relative Bradycardia ... • Infectious Causes ... : Beta-blockers, ... Dissociation #relative #bradycardia
Beta Blocker Side Effects / Toxicity
Cardiac Side Effects:
 • Sinus bradycardia, AV block, Heart failure exacerbation,
Beta Blocker Side ... Effects: • Sinus bradycardia ... , AV block, Heart ... exacerbation, Beta ... blocker withdrawal
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
Risk of reflex bradycardia ... , beta1 > beta2) ... > beta2 / alpha1 ... • Higher doses cause ... cAMP/cGMP • Causes
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Medications: • Beta ... blockers • Calcium ... channel blockers ... Spondylarthropathies Other causes ... differential #diagnosis #causes
Drugs for Bradycardia & Hypotension: “IDEA” Mnemonic
Beta blockers reduce circulating catecholamine levels, decreasing both the heart
Drugs for Bradycardia ... IDEA” Mnemonic Beta ... blockers reduce ... for symptomatic bradycardia ... IDEA #Mnemonic #Bradycardia
Beta Blocker approximate dose equivalents

Carvedilol 12.5 mg BlD 
Labetalol 100 mg BID 
Atenolol 50 mg daily
Beta Blocker approximate ... #equivalents #Conversion
Beta-Blocker Overdose/toxicity:

•	Bradycardia & hypotension (most common).
•	Myocardial depression & cardiogenic shock (severe overdoses). 
•	Ventricular dysrhythmias (Common with
Beta-Blocker Overdose ... toxicity: • Bradycardia ... labetalol) #Beta-Blocker ... toxicity #poisoning # Bradycardia