16 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... abberancy - N B Afib ... flutter (3) SVTs ... electrocardiogram #cardiology ... #differential
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • SA Block • AV ... interval) • AFib ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... vs SVT (AVNRT, ... > SVT+conduction ... abnormality • Beware AV ... #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... Fibrillation (V-Fib ... Arrhythmias #Anatomical #Differential ... #Diagnosis #Causes ... #cardiology
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Bradycardia - Differential ... w/ AV Block, Atrial ... Regular: Regular SVT ... Irregular: Irregular SVT ... #Bradycardia #Differential
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... - Differential ... flutter • AV ... tachycardia • AV ... #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves • Caused ... , it indicates AV ... activation from SVT ... (e.g., junctional ... AWaves #diagnosis #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... nodal conduction Uses ... : - Scooping ST ... #Cardiology #Digitalis ... #ECG
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Tachycardia (AVNRT) - Pathophysiology ... - In most case ... ECG usually shows ... Tachycardia #AVNRT #Pathophysiology ... #cardiology #SVT
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... /VFibAFib ... 2nd/3rd degree AV ... Syndrome #Syncope #Cardiology ... Diagnosis #Algorithm #causes