9 results
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Normal variant • Hypercalcemia ... the precordial leads ... No prognostic value ... #Differential #Cardiology ... #EKG #ECG #Hypothermia
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... using the Vereckei criteria ... #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 ... (RV) infarcts #EM ... #Cardiology #RightSided ... #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
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Disorders: • Hyperkalemia ... no P waves • Hypercalcemia ... be seen in: • Hypothermia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
system including valves ... reservoir bag and APL valve ... known drug causes (eg ... myocardial infarction, hyperkalaemia ... , hypothermia, raised
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Prosthetic valve ... occlusion that may lead ... Infectious insult that leads ... -> TEE • Duke Criteria ... ↑ ESR, CRP • EKG
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
in recipient (e.g ... Hypocalcemia, Hyperkalemia ... - Hypothermia ... Iatrogenic hypothermia ... Can lead to sepsis
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
• Prosthetic valve ... occlusion that may lead ... Infectious insult that leads ... → TEE • Duke Criteria ... ↑ ESR, CRP • EKG