25 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 ... #Pharmacology #Cardiology ... #BetaBlocker #Conversion ... Recommended Text: Clinical
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... inhibition (NSAIDs, Beta-Blockers ... Sodium-channel blockers ... MunerMohamed1 #hyperkalemia ... #pharmacology #potassium
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... Release: NSAIDs, Beta-Blockers ... happypillsrx/ #Hyperkalemia ... Pharmacology #Impaired #Potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... • Beta blockers ... cell membrane - Beta ... adrenergic receptor blockers ... diagnosis #causes #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... • Beta blockers ... cell membrane - Beta ... adrenergic receptor blockers ... diagnosis #causes #potassium
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
duration CLASS 2 - Beta ... repolarization CLASS 3 - Potassium ... alpha & beta adrenergic ... inotropy) ACCP Cardiology ... pathophysiology #cardiology
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
surgery • Heart block ... Medications: • Beta ... blockers • Calcium ... channel blockers ... diagnosis #causes #cardiology
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
- When digoxin blocks ... - Hyperkalemia ( ... Since digoxin blocks ... , in states of hypokalemia ... Pathophysiology #cardiology
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... bradycardia, AV blocks ... Combo of insulin + beta-agonist ... glucose <100 • Beta-agonist ... treatment Remove potassium
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
duration CLASS 2 - Beta ... repolarization CLASS 3 - Potassium ... alpha & beta adrenergic ... inotropy) ACCP Cardiology ... pathophysiology #phases #cardiology