10 results
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Exogenous (KCL ... differential #diagnosis #pathophysiology ... #pharmacology # ... potassium #medications
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... : NSAIDs, Beta-Blockers ... happypillsrx/ #Hyperkalemia ... #Pathophysiology ... #Pharmacology #
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... - When digoxin blocks ... - Hyperkalemia ( ... #cardiology
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Antiarrhythmics - Potassium ... Channel Blockers ... - Indications and ... #pharmacology # ... cardiology
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... hyperosmolality - Medications ... : beta blockers, ... : Blood draw error ... Diagnosis #Causes #potassium
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Sodium Channel Blockers ... repolarization CLASS 3 - Potassium ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology ... #cardiology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... ARBs, NSAIDs, β-blockers ... Antibiotics (Bactrim, PCN ... tourniquet / IVF line draw ... Management #Treatment #potassium
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... repolarization CLASS 3 - Potassium ... Antiarrhythmics #Pharmacology ... Classification #Classes #pathophysiology ... #phases #cardiology
HFpEF and CAD Management Algorithm
1. Consider revascularization based on current guidelines for CAD and HFpEF*
2. Statins:
guidelines (eg, recent PCl ... to evaluate for Cl ... controlled by above medications ... fluid status (hypervolemia ... Management #Algorithm #cardiology
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
algorithm for hypokalemia ... genetic testing *If hypokalemia ... correcting serum potassium ... Other medications ... angiotensin receptor blockers