13 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... Escape Rhythm Abnormal ... Aflutter • AVNRT ... tachyarrhythmias #Cardiology ... #causes
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
Aberration - Interpretation ... morphology ● AV ... Brugada algorithm ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- Normal conduction ... - In most case ... ECG usually shows ... Pathophysiology #cardiology ... #SVT
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... Contractility: • MI ... 2nd/3rd degree AV ... Syndrome #Syncope #Cardiology ... #causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... vagal maneuvers: SVT-AVNRT ... up straight after ... bending over: AVNRT ... #Palpitations #Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Control rate with AV ... nodal blocking ... Treatment #management #cardiology ... #algorithm
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... nodal conduction ... Uses: - Atrial ... rate control) - Heart ... #Cardiology #Digitalis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... the presence of AV ... Sinus #Arrhythmia #cardiology ... #ecg #electrocardiogram ... variants #clinical #comparison
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms = AV ... proportional to heart ... #ECG #Electrocardiogram ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... the presence of AV ... Sinus #Arrhythmia #cardiology ... #ecg #electrocardiogram ... variants #clinical #comparison