47 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
open leading to slow ... Vaughan Williams Classification ... Block K+ channels (primarily ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... prolong AV node repolarization ... Block K+ channels (primarily ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... in slow AP cells ... in slow AP cells ... VaughanWilliams #Classification ... #Classes #cardiology
Hyperparathyroidism classification
Different causes and features of hyperparathyroidism - raised parathormone (PTH).

#Diagnosis #Hyperparathyroidism #Differential #Primary #Secondary #Tertiary
Hyperparathyroidism classification ... Different causes ... #Differential #Primary ... Secondary #Tertiary #Comparison ... #Table #Classification
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... is ruled out, causes ... filling of bucket (low ... all the time (urinary ... #Causes #workup
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
inhibitors Other causes ... High Renin - Primary ... Ketoconazole Low ... #Hyperkalemia #Algorithm ... #differential #causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Normal Acid-Base: Low ... secreting tumor, Primary ... Differential #Diagnosis #Algorithm ... #causes #potassium
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... Differential Diagnosis Algorithm ... Primary Amenorrhea ... Differential #Diagnosis #Algorithm ... #Causes #OBGyn
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Excessive GI losses ... Differential #Diagnosis #Low ... Magnesium #Table #Classification ... #Causes #Workup
Causes of Headache - Differential Diagnosis Algorithm
Primary: Tension, Migraine, Cluster
Extracranial: Medications, Sinusitis, TMJ disorder, Cervicogenic, Glaucoma,
Causes of Headache ... Primary: Tension ... Pseudotumor Cerebri, Low ... Differential #Diagnosis #Causes ... #algorithm