70 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
quinidine) •Class IC ... Diagnosis #Cardiology #ECG ... #EKG
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... quridine) Class IC ... Diagnosis #Cardiology #ECG ... #EKG
Coronary Artery Localization on ECG and POCUS

#Coronary #Artery #Localization #ECG #EKG #Electrocardiogram #Echocardiogram #Diagnosis #Cardiology #Map
Localization on ECG ... and POCUS #Coronary ... #Localization #ECG ... #EKG #Electrocardiogram ... Cardiology #Map #POCUS
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Antiarrhythmics - Vaughan ... Class I (Ia, Ib, Ic
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
- Group IA and IC ... QRS #widening #ECG ... #EKG #Pharmacology
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Medications - Vaughan-Williams ... Class I (Ia, Ib, Ic ... #Medications #Vaughan
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Medications - Vaughan-Williams ... Class I (Ia, Ib, Ic ... #Medications #Vaughan
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Pickle") Class IC ... in wide QRS on EKG ... channel blockade: IC ... prolonged QT on EKG ... the ERP: IA > IC
Ventricular Parasystole on EKG

Normal AV conduction depolarizes the ventricle before the parasystolic focus fires

- Dr. Eric
Parasystole on EKG ... the parasystolic focus ... #Parasystole #EKG ... #ECG #electrocardiogram
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on POCUS ... Triage EKG (no prior ... See thread for POCUS ... POCUS (apical window ... Pulmonary #Embolism #POCUS