23 results
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 ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
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 ... this patient had cardiac ... LongQTC #PVCs #EKG ... #ECG #Electrocardiogram
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
interval (QTc < ... associated with cardiac ... arrest and sudden cardiac ... patients with SQTS Hypercalcemia ... #ecg #ekg #electrocardiogram
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Vascular Resistance, Cardiac ... Blood Pressure, Pulmonary ... Vasopressors #Properties #Table ... Pharmacology #Effect #Management
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... their validity (e.g ... clinical context & EKG ... patients (including cardiac ... #Management #CriticalCare
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... Treatment Algorithm ECG ... ) ECG changes ... Calcium - Stabilizes cardiac ... Treatment #Algorithm #Management
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... arrythmias Diagnostics: EKG ... Stress #Testing #cardiology ... #management #diagnosis
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... with caution in pulmonary ... Control rate (e.g ... Tachycardia #Treatment #management ... #cardiology #algorithm
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
and Management ... heparinized tube) • ECG ... Elimination (see Table ... line, stabilizes cardiac ... Terbutaline 7 µg/kg
Medications for the Treatment of Hyperkalemia
The goals of acute treatment are to prevent potentially life-threatening cardiac
life-threatening cardiac ... , changes on ECG ... algorithm for the management ... , and Table 3 summarizes ... #Management #Medications