9 results
Negative contrast effect = a washout of the contrast (agitated saline) in the right atrium in
Negative contrast ... #contrast #effect ... atrial #septal # ... defect #a4c #Echocardiogram ... #clinical #cardiology
Atrial septal defect

An ECG may show the “crochetage” pattern (92% specific)—a notch near the apex of
Atrial septal defect ... An ECG may show ... larger shunt #ECG ... #EKG #Cardiology ... #Crochetage #Sign
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg ... cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
is positive in aVR ... and negative in ... This is in contrast ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... Atrium - Differential ... Small secundum ASD ... #Contrast #Effect ... #Diagnosis #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... and ventricles contract ... EKG of the same ... excludes other differentials ... PhysicalExam #JVP #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 ... Hyperthyroidism • Anemia Psychiatric ... : SVT-AVNRT or AVRT ... #Palpitations #Cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... • Coagulase-negative ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... Libman Sacks) • Atrial ... aureus, Coagulase-negative ... ↑ ESR, CRP • EKG ... #Diagnosis #cardiology