15 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... and atrial flutter ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Syndrome • SA Block ... • AV Block (ISt ... with Variable AV ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
rhythm, Conduction blocks ... system: Conduction blocks ... Flutter (AFL), ... Differential #Diagnosis #Causes ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... flutter, ectopic ... Control rate (e.g ... Control rate (e.g ... Treatment #management #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Degree AV Block ... independently of the atria ... and the rate is set ... #heartblock #cardiology ... #ecg #ekg #diagnosis
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
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... fibrillation/flutter ... Valvular disease (e.g ... #Palpitations #Cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
pathway which blocks ... - In most case ... ECG usually shows ... Pathophysiology #cardiology ... #SVT