17 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... • Oxygen • Treatment ... #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 (e.g ... Control rate (e.g ... #Treatment #management ... #cardiology #algorithm
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... Differentiating ventricular ... #AVR #leadAVR #ecg ... #differential # ... cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... Distal AV block - ventricular ... bradyarrhythmia #ECG ... electrocardiogram #cardiology ... #differential
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... Regular • If ventricular ... nodal agents (e.g ... #Treatment #management ... #cardiology #algorithm
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
capture of the atria ... may not occur Differential ... arrhythmia • Atrial ... more intensive treatment ... #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... P and QRS • Atrial ... rate > Ventricular ... electrocardiogram #ecg ... #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... supraventricular or ventricular ... • Ventricular ... #Differential #
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... with sinus tachycardia ... long, the right ventricular ... root, and left atrium ... #EM #Radiology
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
response has no clinical ... of time after ventricular ... pacemaker-mediated tachycardia ... Pacing #settings #cardiology ... #management