12 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... Digoxin effect on ECG ... waves - Short QT ... #EKG #Cardiology ... #Digitalis #ECG
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... prolonged PR and QT ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Algorithm Drugs ... that prolong QT ... Congenital long QT ... 1b (lidocaine)- case ... #Algorithm
Diagnostic Algorithm for the Patient with Seizure in the Emergency Department
Does the history suggest a seizure?
Diagnostic Algorithm ... additional symptoms (eg ... speech abnormality, etc ... Diagnosis #Seizure #management ... #Neurology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... Tachycardia #Treatment #management ... #cardiology #algorithm
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
and a prolonged QT ... waves - Short QT ... waves • Short QT ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
therapy - Number one cause ... Eg: C. burnetii ... Mycobacterial etc ... BloodCultures #Diagnosis #Management ... #Algorithm
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
(electrocardiogram ... evaluate potential causes ... Section: QT interval ... includes long QT ... syndrome or short QT
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Diagnosis and Management ... unit activity on EMG ... of diazepam • EMG ... EMG Studies: ... #treatment #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Diagnosis and Management ... heparinized tube) • ECG ... only if no clear cause ... Elimination (see Table ... Treatment #potassium #nephrology