13 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Tachycardia (MAT ... • Oxygen • Treatment ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
Supraventricular tachycardia ... (SVT) is an abnormally ... (PSVT), atrial ... Symptoms may include ... #EKG #SVT #SupraVentricularTachycardia
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
artery (LMCA). left anterior ... Subepicardial atrial ... aVR • Classic EKG ... : AVNRT, AVRT, atrial ... tachycardia (SVT
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... (2) Atrial ... tachycardia (MAT ... #EKG #diagnosis ... electrocardiogram #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... flutter or MAT ... #Treatment #management ... #cardiology #algorithm
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Drive: • Sinus Tachycardia ... common finding) • Atrial ... also a result of atrial ... Leads (VI-V3) +/- Inferior ... • Non-specific ST-T
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Arrhythmias: • SVT ... associated with anxiety may ... vagal maneuvers: SVT-AVNRT ... #Palpitations #Cardiology
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... if necessary to max ... cardioversion • If known SVT ... nodal agents (e.g ... #cardiology #algorithm
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
EKG Findings ... capture of the atria ... arrhythmia • Atrial ... more intensive treatment ... #differential #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... ECG usually shows ... at rates of 120 ... Pathophysiology #cardiology ... #SVT