17 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
tachycardia • Regular SVT ... QRS • Regular SVT ... • Irregular SVT ... • Irregular SVT ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Regular Rhythm SVT ... Irregular Rhythm SVT ... Regular rhythm SVT ... Irregular rhythm SVT ... tachyarrhythmias #Cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... activation from SVT ... (e.g., junctional ... Cannon #AWaves #diagnosis ... #cardiology #CVP
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... : Differential diagnosis ... supraventricular tachycardia (SVT ... #AVR #leadAVR #ecg ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... w/ BBB (3) SVT ... flutter (3) SVTs ... #EKG #diagnosis ... electrocardiogram #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
SVT. 140-280 ... • Atrial Flutter ... • DDx: SVT + ... #Management #cardiology ... #wide #narrow #algorithm
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Arrhythmias: • SVT ... & termination: SVT ... vagal maneuvers: SVT-AVNRT ... #Palpitations #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Complexes (PVC's) - Summary ... capture of the atria ... arrhythmia • Atrial ... more intensive treatment ... #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart ... P and QRS • Atrial ... #Diagnosis #EKG ... electrocardiogram #ecg ... #cardiology
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... cardioversion • If known SVT ... nodal agents (e.g ... #management #cardiology ... #algorithm