8 results
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Embolism The sensitivity ... also a result of atrial ... Incomplete or Complete ... #diagnosis #cardiology ... #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervening QRS complex ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervening QRS complex ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Invert III normal variant ... @AmyChung #EKG ... #Electrocardiogram ... #cardiology #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... tachycardia • Narrow complex ... #electrocardiogram ... #diagnosis #ekg ... cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Marantic (NTBE) Differential ... via ASD • Metastatic ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Pulmonary Embolism ... Elevation of Normal Variant ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... Libman Sacks) • Atrial ... via ASD • Metastatic ... ↑ ESR, CRP • EKG ... #Diagnosis #cardiology