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diagnosis differential management nephrology anesthesia checklist intraoperative pharmacology treatment workup algorithm blood bradycardia cardiac classification comparison complexes digoxin ecg effects
Hyperkalemia - Differential Diagnosis Framework PseudoHyperkalemia: • Lab error • Traumatic venipuncture • Hemolysis, thrombocytosis, leukocytosis •
phlebotomy High ... Intracellular Shift ... Medications 2. ... differential #diagnosis #causes ... #potassium #high
Hyperkalemia - Differential Diagnosis Framework PseudoHyperkalemia: • Lab error • Traumatic venipuncture • Hemolysis, thrombocytosis, leukocytosis •
phlebotomy High ... Intracellular Shift ... Medications 2. ... differential #diagnosis #causes ... #potassium #high
Causes of Hyperkalemia - Differential Diagnosis Framework • Cellular Shift: - Exercise
Causes of Hyperkalemia ... Framework • Cellular Shift ... hyperosmolality - Medications ... Differential #Diagnosis #Causes ... #potassium #high
Digoxin Pharmacology and Pathophysiology 1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
intracellular calcium causes ... - Hyperkalemia ( ... high potassium levels ... (or low potassium ... Pathophysiology #cardiology
Hyperkalemia Management Pseudohyperkalemia: 1. Hemolyzed sample 2. Blood drawn from a site/line where potassium or TPN is
Hyperkalemia Management ... • Order a STAT EKG ... minutes-hour) -Shift ... or dialysis • SLOW ... #high
Hyperkalemia - Diagnosis and Management - GrepMed Handbook S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... only if no clear cause ... STOP offending medications ... acidosis) • Low ... Management #Treatment #potassium
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia If the patient is unconscious, signs of cardiac
Guidelines for Crises ... Have a high index ... abnormalities particularly potassium ... consultation with cardiology ... Ischemia #Ischaemia #Anesthesiology
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison Composition of LR: • Sodium 130 mEq/L •
130 mEq/L • Potassium ... Is Dangerous in Hyperkalemia ... transcellular shift ... • Saline Causes ... densa receives high
Premature Ventricular Complexes (PVC's) - Summary Framework Why PVCs? Can be the first manifestation of cardiac
heart disease Causes ... Hypomagnesemia • Hypokalemia ... classified as: • Low ... 300 = NSVT EKG ... #differential #cardiology
Intraoperative Bradycardia - Guidelines for Crises in Anaesthesia Bradycardia in theatre should not be treated as
Consider known drug causes ... Also consider: high ... myocardial infarction, hyperkalaemia ... #Bradycardia #Anesthesiology ... Management #Workup #Cardiology
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