11 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... - w/ variable block ... (3) SA node block ... - Proximal AV block ... QRS - Distal AV block
Paroxysmal AV Block aka Ventricular Standstill
 • Abrupt and persistent AV block ( multiple P waves
Paroxysmal AV Block ... persistent AV block ... • Once the block ... #Paroxysmal #AVBlock ... cardiology #ecg #ekg #electrocardiogram
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Tachyarrhythmia: • VT/VFib ... • AFib/AFlutter ... AVNRT/AVRT - Bradyarrhythmia ... Node) • 2nd/3rd ... degree AV Block
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Diagnosis Algorithm Bradyarrhythmia ... Syndrome • SA Block ... • AV Block (ISt ... /2nd /3rd degree ... interval) • AFib
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
Paroxysmal AV Block ... persistent AV block ... escape, usually ventricular ... #AVBlock #diagnosis ... cardiology #ekg #ecg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Treatment: Pacemaker 3rd ... • Block in AV ... Diagnosis #EKG #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The ventricular ... Paroxysmal AV Block ... aka Ventricular ... #AVBlock #cardiology ... ecg #diagnosis #electrocardiogram
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
bundle branch block ... disease, left ventricular ... Pill-in-the-pocket" for paroxysmal ... propafenone with β-blocker ... #Fibrillation #AFib
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Third Degree AV Block ... Complete Heart Block ... with complete AV block ... • The ventricular ... #ThirdDegree #3rd
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Waves/Fibrillary = afib ... Interval: • 1° Block ... >200ms • 2° Block ... loss of P • 2° Block ... • 3° Complete Block