72 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... prolonged PR and QT ... sine wave (QRS-T fusion ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... Hypomagnesemia Hypokalemia ... Diagnosis #Cardiology #ECG ... #EKG
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 #
Emergency Management of Hyperkalemia in Adults
Assess Patient - Airway Breathing Circulation Disability Exposure (ABCDE) Approach
 •
mmol/L - Consider cause ... Treatment guided by clinical ... scenario, ECG and ... Insulin–Glucose IV Infusion ... Prevention - Consider cause
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
Classic EKG triad of long QT, ST-depression, and PVCs in Hypokalemia
Worry about hypokalemia; this patient had
Classic EKG triad ... of long QT, ST-depression ... LongQTC #PVCs #EKG ... #ECG #Electrocardiogram ... #Cardiology #Clinical
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
metastases, Infection (e.g ... uropathy, Metabolic causes ... (e.g., hypokalemia ... disease, Drugs (e.g ... Classification #Types #Nephrology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Hyporeflexia: • Hypercalcemia ... Deep coma (any cause ... polyneuropathy (e.g ... diagnosis #table #neurology
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... changes (especially QT ... their validity (e.g ... incongruous with clinical ... context & EKG)
Electrical Alternans on POCUS Echocardiogram
You dissect the EKG and note low voltage tachycardia with a hint
Electrical Alternans on POCUS ... You dissect the EKG ... POCUS ECHO performed ... Echocardiogram #clinical ... #effusion #pericardial