10 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... • AVNRT • ... AVRT (ie. ... #causes
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... deflection not AVRT ... • Atrial Flutter ... waves, is MAT ... #cardiology #wide
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Tachycardia (MAT ... Atrial flutter ... , AVRT, Junctional ... #differential # ... diagnosis #causes
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... EKG findings: Sinus ... tachycardia (SVT ... #AVR #leadAVR #ecg ... #ekg #differential
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... (AVNRT, OAVRT, AFIutter ... ) • P-waves. ... variable block >> MAT ... Irregular #causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... tachycardia (MAT ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #differential
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... Valvular disease (e.g ... vagal maneuvers: SVT-AVNRT ... or AVRT • Standing
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
(AVNRT) - Pathophysiology ... incoming current from ... ECG usually shows ... #AVNRT #Pathophysiology ... #cardiology #SVT
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
the atria and ventricles ... EKG of the same ... are enough to diagnose ... excludes other differentials ... #Neck #Frog #Sign
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
syndromes (e.g. ... heart disease Causes ... EKG Findings ... may result from ... cardiology