213 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Classification: CLASS ... duration - CLASS ... prolong AV node repolarization ... interval (delays time repolarization ... prolong AV node repolarization
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... Properties Class ... Mayo, Pickle") Class ... involved in phase 3 repolarization ... • Prolongs repolarization
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... and magnitude of depolarization ... prolong AV node repolarization ... interval (delays time repolarization ... prolong AV node repolarization
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... Blockade • Slows depolarization ... Widens QRS complex Class ... Blockade • Slows depolarization ... Blockade • Slows depolarization
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens repolarization ... 6.0 mEq/L, rapid repolarization ... causes peaked T ... in conduction causes ... wave to produce classic
Web chart of various etiologies related to congenital neck masses.

#differential #causes #pediatrics #congenital #neck #head #masses
congenital neck masses ... #differential #causes ... congenital #neck #head #masses ... otolaryngology #peds
Web chart of etiologies related to inflammatory head and neck masses.

#pediatrics #peds #differential #causes #pearls #head
head and neck masses ... #pediatrics #peds ... #differential #causes ... pearls #head #neck #masses
Causes of regurgitation/vomiting in children

#Vomiting #Emesis #Differential #Peds #Pediatrics #Diagnosis #Causes
Causes of regurgitation ... #Differential #Peds ... Pediatrics #Diagnosis #Causes
Causes of anemia in infants & children

#Diagnosis #Peds #Pediatrics #Differential #Anemia #Causes #Algorithm
Causes of anemia ... #Diagnosis #Peds ... Differential #Anemia #Causes
Causes of Hepatomegaly and Splenomegaly in children

#Hepatomegaly #Splenomegaly #Hepatosplenomegaly #HSM #Differential #Causes #Peds #Pediatrics
Causes of Hepatomegaly ... #Differential #Causes ... #Peds #Pediatrics