19 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Tachycardia (MAT) • At least ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate with AV ... Control rate (e.g ... #Tachycardia #Treatment ... #management #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- Premature atrial ... reentrant circuit is formed ... depolarizes the atria ... ECG usually shows ... Pathophysiology #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... #EKG #diagnosis ... electrocardiogram #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
occurs with every beat ... , it indicates AV ... activation from SVT (e.g ... Cannon #AWaves #diagnosis ... #cardiology #CVP
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... • Block in AV ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
First Degree AV ... • Ventricle beats ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
sine wave, "the great ... assoc with 1K, AV ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
criteria for the diagnosis ... terminalis) or in AV ... sharp contrast to AV ... Pacemaker #wap #diagnosis ... #cardiology #ekg
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
Pericarditis, Tamponade EKG ... Findings: - AV ... Low voltage Treatment ... #Myocarditis #diagnosis ... #management #cardiology