11 results
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
Tetralogy of Fallot 

1. Right ventricular outflow tract obstruction 

2. Right ventricular hypertrophy 

3. Ventricular septal
Ventricular septal defect ... #Fallot #Peds #Pediatrics ... #Cardiology #Signs
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
is a modified ECG ... lead used to detect ... standard 12 lead ECG ... Lead I on the ECG ... #Cardiology #EKG
Right sided ECG leads (V1R-V6R) are positioned in a mirror image fashion to the standard 12-lead
Right sided ECG ... Purpose: To detect ... infarcts #EM #Cardiology ... #RightSided #EKG
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Compared Ambulatory ECG ... events, all (most) ECG ... Disadvantages: Does not detect ... on ability to detect ... Devices #Comparison #cardiology
Posterior ECG leads (V7-V9) are applied by moving V4-V6 to under the left scapula.Purpose: To detect
Posterior ECG leads ... scapula.Purpose: To detect ... wall AMI #EM #Cardiology ... #Posterior #EKG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... sensitive and to detect ... electrocardiogram #diagnosis #ekg ... #differential #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... ’s called Frog sign ... Awaves #AVNRT #PhysicalExam ... #JVP #Cardiology ... #Neck #Frog #Sign
Chagas Disease - American Trypanosomiasis - Diagnosis and Management Summary
Chagas disease (American trypanosomiasis) is an infectious
Romana's sign ... Indeterminate form (No signs ... 20-90%, normal ECG ... IFA) assays to detect ... 90-120 days • Pediatric
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... MAP x CO)/451 • Reflects ... PCWP - RAP • Reflects ... forward flow. e.g ... catheter #diagnosis #cardiology