318 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift ... Medications Renal ... Losses Non-renal ... Transcellular shifts ... Diagnosis #Algorithm #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... cells FEMg >4% = renal ... magnesium loss if renal ... diagnosis #causes #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Redistribution/ Shift ... bone syndrome • Renal ... Algorithm #causes #nephrology
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Transcellular Shift ... #Hyperkalemia #Nephrology
Brudzinski's Sign in Meningitis

Forced flexion of the neck elicits a reflex flexion of the hips. It
Brudzinski's Sign ... #Brudzinskis #Signs ... Clinical #Video #neurology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Intracellular Shift ... Renal artery stenosis ... Causes #Workup #Nephrology
Brudzinski's Sign on Physical Exam - Meningitis

#Brudzinskis #Sign #PhysicalExam #clinical #video #neurology #peds #pediatrics #meningitis
Brudzinski's Sign ... #Brudzinskis #Sign ... clinical #video #neurology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Transcellular Shift ... CKD Increased Renal ... Workup #phosphate #nephrology
Effects of hyperthyroidism and hypothyroidism on renal physiology and function

#hyperthyroidism #hypothyroidism #renal #physiology #comparison #effects #nephrology
hypothyroidism on renal ... hypothyroidism #renal ... comparison #effects #nephrology
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
• IV Fluids Shift ... (if preserved renal ... management #potassium #nephrology