58 results
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... IC = Flecainide ... channel blockade: IC ... the ERP: IA > IC ... Pharmacology #Agents #Cardiology
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
QT interval •Class ... quinidine) •Class ... IC antidysrhythmics ... TorsadesDePointes #Diagnosis #Cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... I (Ia, Ib, Ic) ... Widens QRS complex Class ... prolongs PR interval Class ... #cardiology #pharmacology
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Lidocaine, Mexiletine Ic ... Channel #Blockers #ClassI ... #Na #cardiology
#Abnormal Uterine bleeding. #Late #Bleeding #Pregnancy #Differential #Diagnosis #Algorithm #Causes #Obstetrics #OBGyn
#AUB #Abnormal #Uterine #Bleeding #Mnemonic
Differential #Diagnosis #Algorithm ... #Causes #Obstetrics ... #OBGyn #AUB #Abnormal ... #Differential #Causes
Causes of Acute and Chronic Pelvic Pain - Differential Diagnosis Algorithm
Acute Pelvic Pain:
 • Non-Gynecologic
 •
Causes of Acute ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Causes #OBGyn
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Abnormal Variability:
Fetal HR Tracing - Causes ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Causes #Obstetrics ... #OBGyn
Causes of Late Bleeding in Pregnancy (2nd & 3rd Trimester) - Differential Diagnosis Algorithm
Bleeding from Os
Causes of Late Bleeding ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Causes #Obstetrics ... #OBGyn
Causes of Vaginal Discharge - Differential Diagnosis Algorithm
Neoplastic:
 • Endometrium
 • Cervix
 • Vulva
 • Vagina
Systemic
Causes of Vaginal ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Causes #Gynecology ... #OBGyn
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
interval Class ... quridine) Class ... IC antidysrhythmics ... TorsadesDePointes #Diagnosis #Cardiology