3355 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... • Widens QRS complex ... VaughanWilliams #Classification ... #Classes #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Pacemaker 3rd Degree, Complete ... HeartBlocks #Types #Classification ... electrocardiogram #ecg #cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The QRS complex ... may progress to complete ... sinus rhythm with complete ... blocks #AVBlock #cardiology ... electrocardiogram #classification
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... produce a hybrid complex ... onset of the QRS complex ... Versus #ecg #ekg #cardiology
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... premature junctional complex ... premature #atrial #complexes ... #cardiology #diagnosis
Wide QRS Complex Tachycardia differential:

#Diagnosis #Cardiology #EKG #ECG #WideComplex #Tachycardia #Differential #Algorithm
Wide QRS Complex ... #Diagnosis #Cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Algorithm Narrow Complex ... tachycardia Narrow Complex ... conduction Wide-Complex ... aberrancy Wide-Complex ... Algorithm #Causes #cardiology
Tachycardia - Wide vs Narrow Complex, Regular vs Irregular rhythm table

#Diagnosis #Cardiology #EKG #ECG #WideComplex #Narrow
Wide vs Narrow Complex ... #Diagnosis #Cardiology
Congenital Heart Disorders - Classification and Differential Algorithm

- Amy Chung, MD, MSc @AmyChung 

#Congenital #Heart #Disorders
Heart Disorders - Classification ... Disorders #Diseases #Classification ... Peds #Pediatrics #Cardiology
Evaluation of a narrow complex tachycardia (NCT)
#Diagnosis #Cardiology #NarrowComplexTachycardia #NCT #Differential #Algorithm #ComparisonTable
Evaluation of a narrow complex ... ) #Diagnosis #Cardiology