35 results
COMMONLY ENCOUNTERED MEDICATIONS THAT INCREASE OR DECREASE WARFARIN’S INTERNATIONAL NORMALIZED RATIO (INR)

#Pharmacology #Warfarin #Medications #Interactions #INR
COMMONLY ENCOUNTERED MEDICATIONS ... INCREASE OR DECREASE WARFARIN ... RATIO (INR) #Pharmacology ... #Warfarin #Medications ... Increases #Decreases #Drug
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Mechanisms of Drug-Induced ... Hyperkalemia ... • Increased EC shift ... pathophysiology #pharmacology ... #potassium #medications
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... Thyrotoxicosis Medications ... Transcellular shifts ... nephrology #low #potassium
Warfarin color-coded tablets, initial dosing and INR targets

#pharmacology #overview #review #medications #drugs #cardiology #warfarin #management
Warfarin color-coded ... INR targets #pharmacology ... overview #review #medications ... #drugs #cardiology ... #warfarin #management
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
caused by excess potassium ... intake, impaired potassium ... transcellular shifts ... renal function, medication ... adapt to excess potassium
Potassium Channel Blockers - Medications
1. Cardiovascular Drugs
2. Psychiatric drugs
3. Other drugs
4. Synthetic opioids: Levomethadyl 
5. Opium
Potassium Channel ... Blockers - Medications ... Organophosphates #Potassium ... ChannelBlockers #Medications ... Differential #Diagnosis #Pharmacology
Managing warfarin INR

Warfarin dosage must be individualized according to the patient's response to the drug, and
Managing warfarin ... INR Warfarin ... response to the drug ... management #algorithm #pharmacology ... #treatment #medications
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
Drugs that Impair ... Renal Potassium ... happypillsrx/ #Hyperkalemia ... Pathophysiology #Pharmacology ... #Impaired #Potassium
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Antiarrhythmic Drugs ... Adenosine, Magnesium, Potassium ... Antiarrhythmic #Medications ... Classification #Pharmacology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
reactions Common Drugs ... • Recent IV potassium ... Intracellular Shift ... Medications 2. ... diagnosis #causes #potassium