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diagnosis differential cardiology algorithm management ekg clinical electrocardiogram treatment workup pathophysiology hematology neurology endocrinology pharmacology table signs anesthesia checklist anesthesiology
Palpitations - Differential Diagnosis Framework What? • It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... • Bradycardia caused ... Valvular disease (e.g ... maneuvers: SVT-AVNRT ... bending over: AVNRT
Narrow Complex Tachycardias (Simplified) Irregular Narrow Complex Tachycardia: 1. Atrial fibrillation - Usually the correct answer 2. Multifocal
Narrow Complex Tachycardias ... Sinus tachycardia ... retrograde) - AVNRT ... , AVRT, Junctional ... differential #diagnosis #causes
Supraventricular Tachycardias - Pathophysiology Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Supraventricular Tachycardias ... • Atrial Tachycardia ... Nodal Reentry Tachycardia ... • AV Reentry Tachycardia ... conduction #pathways #avnrt
Tachycardia - Differential Diagnosis Framework Narrow-Complex: • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... , Atrial Tachycardia ... Atrial Flutter, AVRT ... WPW), AVnRT (ie ... , Antidromic AVRT
Anatomical Differential Diagnosis for Arrhythmias • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS) • AV
SA node: Sinus tachycardia ... (AVRT), AV nodal ... re-entrant tachycardia ... (AVNRT) • Ventricles ... Differential #Diagnosis #Causes
Lead AVR on ECG 1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... (AVRT) in WPW: ... ddx: AVNRT, AVRT ... #AVR #leadAVR #ecg
Tachyarrhythmia Framework - Differential Diagnosis • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Rhythm: Sinus tachycardia ... , AVNRT, Orthodromic ... AVRT, Atrial Tachycardia ... flutter, Junctional tachycardia ... block, Antidromic AVRT
Treatment of Stable Narrow-Complex Tachycardia Regular Rhythm: • Attempt vagal maneuvers • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... Treat underlying cause
Supraventricular Tachycardia EKG Here’s a great ECG case of a 50-year-old lady who presented with palpitations Her heart
Supraventricular Tachycardia ... great ECG case of ... @EM_RESUS #AVRT ... Supraventricular #Tachycardia ... #EKG #ECG #Electrocardiogram
Lead aVR on EKG Lead aVR can provide some unique insight into 5 different conditions: - Acute
Lead aVR on EKG ... TCA-like overdose - AVRT ... narrow complex tachycardias ... in wide complex tachycardias ... #ECG #Lead #AVR
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