11 results
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 ... #Lead #Placement
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
lead used to detect ... clinically, based on signs ... ECG. ... #Cardiology #EKG ... #Lewis #Lead #Placement
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 #Placement
Tetralogy of Fallot 

1. Right ventricular outflow tract obstruction 

2. Right ventricular hypertrophy 

3. Ventricular septal
Ventricular septal defect ... #Fallot #Peds #Pediatrics ... #Cardiology #Signs
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 ... inferior limb leads ... #EKG #Cardiology ... #Crochetage #Sign
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Compared Ambulatory ECG ... leads • Disadvantages ... Disadvantages: Does not detect ... on ability to detect ... Devices #Comparison #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... only looks at aVR lead ... sensitive and to detect ... electrocardiogram #diagnosis #ekg ... #differential #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
STE: "Pardee's sign ... placement results ... (Eiffel Tower sign ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... PCWP - RAP • Reflects ... forward flow. e.g ... consumption) can lead ... catheter #diagnosis #cardiology
VSD on Newborn POCUS Echocardiogram (A4C)
Term newborn presents with irritability and increased work of breathing. Bedside
resolution: Patient had signs ... for diuresis, cardiology ... ventricular #septal #defect ... Echocardiogram #pediatrics ... #clinical #cardiology