19 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... main coronary artery ... • Classic EKG ... #AVR #leadAVR #ecg ... #ekg #differential
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
• As the heart ... is gradual • After ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
below), 1st degree heart ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology ... electrocardiogram #differential
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
High Output Heart ... - Congenital (e.g ... HHT), Acquired (e.g ... Systemic Vasdilation, AV ... #Diagnosis #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
PR shorted after ... • Block in AV ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... forward flow. e.g ... Catheterization #RHC #PACatheter ... #catheter #diagnosis ... #cardiology #swanganz
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
• As the heart ... is gradual • After ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... #Equivalents #ECG ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
However, when the diagnosis ... cardiogenic shock (eg ... #Diagnosis #PACatheter ... #NormalValues #Differential ... PCWP #Pressures #SVR
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Valvular disease (e.g ... Hyperthyroidism • Anemia Psychiatric ... : SVT-AVNRT or AVRT ... #Palpitations #Cardiology