12 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
Right sided ECG leads (V1R-V6R) are positioned in a mirror image fashion to the standard 12-lead
Right sided ECG ... the standard 12-lead ... (RV) infarcts #EM ... #EKG #Lead #Placement ... #ALiEM
Posterior ECG leads (V7-V9) are applied by moving V4-V6 to under the left scapula.Purpose: To detect
Posterior ECG leads ... lateral wall AMI #EM ... #Cardiology #Posterior ... #EKG #Lead #Placement ... #ALiEM
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... anterior descending (LAD ... aVR • Classic EKG ... only looks at aVR lead ... electrocardiogram #diagnosis #ekg
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... have no pain - LAD ... infarct, get a 15 lead ... #Ischemia #ECG ... #EKG #diagnosis
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
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
O2, Monitors, ECG ... worsening brady, Signs ... Chest Pain • ECG ... Connect ECG Leads ... #management #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
trolley and 12-lead ... ECG machine. ❷ ... CM5 continuous ECG ... Obtain a 12-lead ... ECG as soon as
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... STE: "Pardee's sign ... ventricle pacing lead ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
occlusion that may lead ... Marantic (NTBE) Differential ... -> TEE • Duke Criteria ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology