11 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... 3 different P wave ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #EKG #Management
Lancisi's Sign (Tricuspid Regurgitation) in a patient with Atrial Fibrillation

If you went to med school before
obscenely huge waves ... it giant A or V wave ... nice to have ur finger ... #Fibrillation #Neck ... #PhysicalExam #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... 3 different P waves ... Distal AV block - ventricular ... #EKG #diagnosis ... electrocardiogram #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Brady Management ... Non-conducted P waves ... P and QRS • Atrial ... #cardiology
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
sensed • Post-ventricular ... of time after ventricular ... of retrograde P waves ... Pacing #settings #cardiology ... #management
External Ventricular Drains (EVDs) & ICP waveform interpretation
An EVD is a temporary closed sterile system that
Loss of discreet waves ... called Lundberg waves ... • LUNDBERG A WAVES ... • LUNDBERG B WAVES ... • LUNDBERG C WAVES
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... intervals until a P wave ... (ventricular complex ... completely absent, P waves ... independently of the atria
Pacemaker Timing Settings
 • Lower rate limit (50-60 bpm) - The lowest rate at which the
sensed • Post-ventricular ... of time after ventricular ... of retrograde P waves ... Timing #Pacing #cardiology ... #management #settings
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
overdose: Prominent R wave ... prominent terminal R wave ... in aVR > 0.7: ppv ... Differentiating ventricular ... #differential #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
300 = NSVT EKG ... No associated P-wave ... , and the T-wave ... more intensive treatment ... #differential #cardiology