15 results
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... transcellular shifts ... renal function, medication ... #Hyperkalemia #Differential ... #Causes
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... heart defect - Pulmonary ... diseases - Pulmonary ... #Cyanosis #Differential ... #Table #Comparison
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Blood Pressure, Pulmonary ... Resistance, Main Uses ... #Properties #Table ... Effect #Management #Comparison
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Common Medications ... dronedarone, dofetilide Vasopressors ... #Prolongation #Medications ... #Causes #differential ... #pharmacology #table
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Intracellular Shift ... Medications 2. ... #diagnosis #causes ... #potassium #high
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Intracellular Shift ... Medications 2. ... #diagnosis #causes ... #potassium #high
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Rhabdomyolysis - Differential ... Shift of extracellular ... Monitor potassium ... per day until stable ... Management #Summary #causes
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Potassium-Binding ... of aspiration #Potassium ... #Hyperkalemia #medications ... #pharmacology #table ... #comparison #binders
Causes of Hypokalemia

Hypokalemia results from abnormal losses, transcellular shifts, or insufficient intake (Table 1).6–8 Abnormal losses
transcellular shifts ... insufficient intake (Table ... significantly lower potassium ... #Hypokalemia #Differential ... #Causes
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... Infarction and Pulmonary ... life-threatening causes ... #Presentation #comparison ... #Table #Diagnosis