13 results
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Osborn (J Wave) ... leads • Size of wave ... value #Osborn #JWave ... #Cardiology #EKG ... #ECG #Hypothermia
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... leads indicates atrial ... 3 - diffuse T wave ... patients) stage 4 - ECG ... #EKG #Pericarditis
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
Osborn waves - positive ... people with high hypercalcemia ... This EKG was recorded ... #EKG #EmergencyMedicine ... Electrocardiogram #ECG
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... tachycardia ECG ... • Variable P wave ... The change in P wave ... #diagnosis #ekg
There is a wide QRS and peaked T-waves.   In particular, notice how flat the
rises into the T-wave ... HyperKalemia was ... #Clinical #EM #IM ... #Cardiology #Hyperkalemia ... #PeakedT #EKG
Wandering atrial pacemaker - ECG Diagnosis
 • The change in P wave contour is gradual
 •
pacemaker - ECG ... The change in P wave ... this rhythm #wap ... #diagnosis #ekg ... #ecg #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Disorders: • Hyperkalemia ... • Hypercalcemia ... be seen in: • Hypothermia ... #ecg #ekg #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... overdose: Prominent R wave ... aVR • Classic EKG ... prominent terminal R wave ... #AVR #leadAVR #ecg
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... when the finding was ... excludes other differentials ... PhysicalExam #JVP #Cardiology