152 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Classification: CLASS ... duration - CLASS ... duration - CLASS ... & AP duration CLASS ... ) CLASS 4 - Calcium
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
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
Distinguishing Between Benign Early repolarization vs STEMI on EKG
#Diagnosis #Cardiology #ECG #EKG #Repolarization #STEMI #Comparison #Table
Between Benign Early repolarization ... Cardiology #ECG #EKG #Repolarization ... STEMI #Comparison #Table
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 ... wave to produce classic ... #Progression #Table
ECG characteristics of early repolarization
 - The ST segment elevations are concave and most pronounced in
characteristics of early repolarization ... elevations are concave ... hallmark of early repolarization ... EKG #ECG #Early #Repolarization
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Syndromes • Early Repolarization ... : - Early-repolarization ... ST Secondary Repolarization ... voltage Other Causes
Antiarrhythmic Medication Table

#Antiarrhythmic #Medications #Table #Classification #Classes #Cardiology #Pharmacology
Antiarrhythmic Medication Table ... #Medications #Table ... Classification #Classes
CERTA Analgesic Classes and Pain Indications

Dr. David H.Cisewski and Dr. Sergey M.Motov

#CERTA #Analgesic #Classes #Pain #Indications
CERTA Analgesic Classes ... CERTA #Analgesic #Classes ... Indications #Management #Table