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management differential causes nephrology syndrome anesthesia anesthesiology checklist electrocardiogram potassium torsadesdepointes disorders evaluation fatigue hematology high intercellularshift intraoperative perioperative qt
Torsades de Pointes •Precipitated by drugs that prolong the QT interval •Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... hypomagnesemia, hypokalemia ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
interval - Only works ... #QTc #Interval ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
that prolong the QT ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
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
Emergent Hyperkalemia Treatment Algorithm ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... Treatment Algorithm ... ECG changes, weakness ... ) ECG changes ... #Treatment #Algorithm
Classification of Diabetes Insipidus Central or neurogenic diabetes insipidus: - Congenital - Structural malformations affecting the hypothalamus
metastases, Infection (e.g ... Metabolic causes (e.g ... disease, Drugs (e.g ... Treatment is aimed ... #Diagnosis #Differential
Hyperkalemia - Management Algorithm • IV calcium • IV insulin and glucose and/or salbutamolt • Consider
Hyperkalemia - Management ... Algorithm • IV ... potassium and ECG ... potassium #high #diagnosis ... #treatment
Short QT Syndrome Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
interval (QTc < ... patients with SQTS Hypercalcemia ... #Syndrome #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Congenital Long QT Syndrome: Illness Script Who? - Kids or young adults, usually < 30 - high
**Get baseline EKG ... family history) Treatment ... abnormalities - Avoid QTc ... LongQT #Syndrome #Diagnosis ... #Cardiology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... reabsorption) Workup ... heparinized tube) • ECG ... Elimination (see Table ... #nephrology #K
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