69 results
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Normal variant • Hypercalcemia ... Neurological insult • Medications ... fibrillation Clinical ... Differential #Cardiology #EKG ... #ECG #Hypothermia
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Checklist Approach ... arrhythmia: - EKG ... their validity (e.g ... context & EKG) ... #Hypokalemia #Management
Compelling and Possible Contraindications to Antihypertensive Drugs
Diuretics (thiazides)
 - Gout
 - Metabolic syndrome, Glucose intolerance, Pregnancy,
, Hypokalemia, Erectile ... failure - Co-medication ... Pgp-dependent drugs (e.g ... antihypertensive #medications ... contraindications #table
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... in kidneys) - Medications ... (e.g. lithium, ... renal diseases (e.g ... Differential #Diagnosis #Table
Hyperkalemia after Missed Hemodialysis - Initial electrocardiogram showed peaked T waves and a prolonged QT segment
Hyperkalemia after ... and a prolonged QT ... segment (Panel A) #Clinical ... Cardiology #EM #EKG ... #Hyperkalemia #
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
brain injury, medications ... This EKG was recorded ... #EKG #EmergencyMedicine ... Electrocardiogram #ECG ... #Clinical
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
Endocarditis checklist ... if suspected (e.g ... spleen, brain) Indications ... block (+/- daily EKG ... of infection (e.g
Hyperkalemia with Peaked T waves on ECG

These are the classic peaked T-waves of Hyperkalemia. Notice how
Peaked T waves on ECG ... to a baseline ECG ... Be able to recognize ... #ECG #EKG #Electrocardiogram ... #Clinical #Cardiology
This one at K = 2.4
The down up morphology remains
The computer measures the QT at 565
computer measures the QT ... at 565 ms, QTc ... QU-interval, not the QT ... smithECGBlog #Clinical ... #ECG #EKG #Hypokalemia