21 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
by flow-volume loops ... For comparison, ... a normal loop is ... PFTs #Spirometry #FlowVolume ... #Loops #Patterns
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Urine Mg > 10g • Loop ... Diuretics • Hypercalcemia-PTH ... Differential #Diagnosis #Algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Primary intestinal hypomagnesemia ... Medications - Loop ... abnormalities - Hypercalcemia ... Low #Magnesium #Table
Pharmacology of diuretics

Acetazolamide, Loop diuretics, Thiazide‐like diuretics, MRA, Amiloride

Site of Action, Maximum Dose, Half-Life, Onset, Bioavailability,
Acetazolamide, Loop ... #Pharmacology #Comparison ... #Table #HalfLife ... #Dosing #Loop #
Diuretic Electrolyte Excretion Effects 
Diuresis, Na+, K+, Mg2+, Ca2+, Cl-, HCO3-, Uric Acid
 - Thiazide Type
Thiazide Type - Loop ... #pharmacology #comparison ... #table
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... disease Drugs: - Loop ... Hyperparathyroidism - Hypercalcemic ... aldosteronism #Hypomagnesemia
Cardiac Event Monitors
 • Holter Monitor - Records every heart beat for 24-48 hours
 • Loop/Event
24-48 hours • Loop ... • Implantable Loop ... telemetry #devices #comparison ... #table
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Differential Diagnosis Algorithm ... • Diuretics (loop ... /thiazide) • Hypomagnesemia ... Differential #Diagnosis #Algorithm
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... disease • Drugs: Loop ... Hyperparathyroidism, Hypercalcemic ... aldosteronism #Hypomagnesemia
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
• LDH ↑ • Hyperkalemia ... Hyperphosphatemia • Hypocalcemia ... /Late - Hypercalcemia ... per day until stable ... Loop diuretics for