10 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Wandering Atrial ... Sinus #Arrhythmia ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Management Narrow ... Bradycardia, AFib ... w/ AV Block, Atrial ... Arrhythmia, Sinus ... Arrest, AFib w/
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Adrenergic Drive: • Sinus ... common finding) • Atrial ... Arrhythmia* (e.g ... ., A-Fib also a ... result of atrial
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Wandering Atrial ... Sinus #Arrhythmia ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Common Sustained Arrhythmia ... benefit of restoring sinus ... ventricles; to detect ... #diagnosis #management ... #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Valvular disease (e.g ... brain flow (VT/Vfib ... /Afib/WPW) • Loss ... #Palpitations #Cardiology
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Compared Ambulatory ECG ... events, all (most) ECG ... various arrhythmias ... Monitoring #Devices #Comparison ... #cardiology #management
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... aVR • Classic EKG ... findings: Sinus ... • Predictor of arrhythmia ... to detect VT than
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Arrhythmia (MAA ... ARRHYTHMIA - involves ... focus from the sinus ... #ekg #ecg #electrocardiogram ... #comparison
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
indicated • EKG ... Obtain EKG if: ... CV disease - Arrhythmia ... surgical management ... for select patients