21 results
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... Lead aVR can provide ... Diagnosis #Cardiology #EKG ... #ECG #Lead #AVR ... #Utility #ALiEM
Focused Lung Assessment: Transducer positions for the 8 lung zones #EM #Radiology #PCC #POCUS #Focused #Lung
8 lung zones #EM ... #Radiology #PCC ... #Positioning #ALiEM
Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
depression in aVR ... ST elevation in aVR ... is a good ECG sign ... #Clinical #EM #IM ... #Cardiology #EKG
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... depression in aVR ... PR segment in aVR ... patients) stage 4 - ECG ... inverted #Diagnosis #EM
Loperamide and QT Prolongation #Clinical #EM #Cardiology #EKG #QT #Prolongation #QTProlongation #Loperamide #ALiEM
Prolongation #Clinical #EM ... #Cardiology #EKG ... QTProlongation #Loperamide #ALiEM
Apical 4-chamber (A4) Apical 4 Chamber view demonstrating the right ventricle (RV), right atrium (RA), left
right ventricle (RV ... septum #Clinical #EM ... #FourChamber #ALiEM
Right sided ECG leads (V1R-V6R) are positioned in a mirror image fashion to the standard 12-lead
Right sided ECG ... right ventricular (RV ... ) infarcts #EM # ... Cardiology #RightSided #EKG ... Lead #Placement #ALiEM
Horizontal reverberation artifacts - A-lines are visualized as hyperechoic, horizontal artifacts at regular intervals deep to
field #Clinical #EM ... #Radiology #PCC ... #Lung #ALines #ALiEM
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
all leads except aVR ... QTC = QT / √ RR ... the preceding RR ... Amy Chung, MD, MSc ... Interpretation #ECG
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
≤ 0.9 predicts RV ... 1.85 predicts RV ... dysfunction. e.g ... forward flow. e.g ... Ahmed Ghoneem, MD MSc