19 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
: • The P wave ... Wandering Atrial ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... Arrhythmias on ... cardiology #diagnosis #ekg ... electrocardiogram #clinical #comparison ... #Arrhythmias
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... (3) Multifocal atrial ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
: • The P wave ... Wandering Atrial ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... In AVNRT, the atria ... EKG of the same ... excludes other differentials ... JVP #Cardiology #Neck
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... ST elevation: Differential ... • Predictor of arrhythmia ... : AVNRT, AVRT, atrial ... #differential #
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Compared Ambulatory ECG ... • Advantages: Longer ... detect various arrhythmias ... Monitoring #Devices #Comparison ... #cardiology #management
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Cardiomyopathy • Inherited arrhythmia ... 300 = NSVT EKG ... capture of the atria ... may not occur Differential ... • Atrial fibrillation
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... in the chest or neck ... exam • 12-lead ECG ... Valvular disease (e.g ... Palpitations #Cardiology #Differential
External Ventricular Drains (EVDs) & ICP waveform interpretation
An EVD is a temporary closed sterile system that
is increased (e.g ... P1 - related to arterial ... cerebral compliance (e.g ... CNS compliance LONGER ... Nick Mark MD @nickmmark