40 results
EKG CHANGES AS A RESULT OF CHANGES IN NA OR K CHANNEL CONDUCTION - GRAPHIC BY
EKG CHANGES AS A ... RESULT OF CHANGES ... JAMES LI, MD #Pathophysiology ... Cardiology #EKGChanges #ECG ... #NaK #Sodium #Potassium
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Classification - Summary Table ... Class III agents - Potassium ... Channel Blockers ... Classification #Summary #Table ... #pharmacology #
Pharmacologic Treatments of Chronic Hypertension in Pregnancy
Central alpha-agonists
 - Methyldopa
 - Clonidine
Combined alpha- and beta-blocker
 -
Pharmacologic Treatments ... Non-dihydropyridine Calcium Channel ... Dihydropyridine Calcium Channel ... #Pharmacology # ... HTN #Table #Drugs
REBEL Review 71: Treatment of Thyroid Storm 

Propranolol 
Esmolol 
Propylthiouracil (PTU) 
Methimazole 
Saturated Solution of Potassium
REBEL Review 71: Treatment ... Saturated Solution of Potassium ... hyperthyroidism #table ... #management #treatment ... #pharmacology #
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... Decreased ENaC channel ... #Hyperkalemia #Pathophysiology ... #Pharmacology # ... Impaired #Potassium
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Heparin) • Sodium-channel ... • Increased EC ... differential #diagnosis #pathophysiology ... #pharmacology # ... potassium #medications
Antiseizure Drugs 
Sodium Channel Blockers: Carbamazepine, Oxcarbazepine, Eslicarbazepine, Lamotrigine, Lacosamide, Phenytoin, fosphenytoin
Broad Spectrum: Valproate, Levetiracetam, Brivaracetam,
Drugs Sodium Channel ... Tiagabine, Vigabatrin Potassium ... Channel Opener: ... medications #epilepsy #pharmacology ... #comparison #table
Medications Used in Hypertensive Emergencies
Vasodilators: Hydralazine, Nitroglycerin, Sodium nitroprusside 
Calcium Channel Blockers: Clevidipine, Nicardipine
ß-Blockers: Esmolol, Labetalol,
nitroprusside Calcium Channel ... Medications #Management #Treatment ... #Pharmacology # ... Table
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... Block fast Na+ channels ... repolarization CLASS 3 - Potassium ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Algorithm ECG ... changes, weakness ... injury, etc) ECG ... changes? ... Remove potassium