10 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
dysfunction revealed by flow-volume ... loops. ... comparison, a normal loop ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Normal Acid-Base: Low ... • HTN Absent: Loop ... Differential #Diagnosis #Algorithm ... #causes #potassium
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Differential Diagnosis Algorithm ... Urine Mg > 10g • Loop ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential ... #Diagnosis #Algorithm
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... the basis of the potassium-to-creatinine ... High Urine Cl - Loop ... hypokalemia #urine #potassium ... #differential #algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... Differential #Diagnosis #Low ... #Magnesium #Table
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
osmotic diuresis, Potassium ... disease • Drugs: Loop ... diagnosis #nephrology #magnesium ... #low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Differential Diagnosis Algorithm ... contracted • Loop ... Gittelman's syndrome • Magnesium ... artery stenosis Low ... Differential #Diagnosis #Algorithm
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Remote use of loop ... alkalosis • Normal/low ... of sodium and potassium ... Chloride #urine #Algorithm
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Elimination (see Table ... acidosis) • Low ... Diuretics (IV loop ... acetazolamide) - IV loop ... Management #Treatment #potassium