17 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... Loses - Medications ... - Uncontrolled diabetes ... #Differential #Diagnosis ... Classification #Causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal ... disequilibrium syndrome • Diagnosis ... Kidney stones caused ... Tolvaptan) • Treatment ... #Pharmacology #Medications
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... plasma insulin (treatment ... of diabetic ketoacidosis ... Villous adenoma Renal ... #differential #diagnosis
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... Correction of diabetic ... (steatorrhea) Renal ... #diagnosis #differential ... #medications #drugs
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
- Differential Diagnosis ... dehydration due to renal ... findings based on cause ... #table #comparison ... #criticalcare
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Etiology: • Medications ... Peak T, flat P, ST ... only if no clear cause ... STOP offending medications
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
essential to determine treatment ... thyrotoxicosis), Medications ... albumin, trauma), Renal ... Undifferentiated #Shock #diagnosis ... guyton #curves #criticalcare
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • K sparing diuretics ... (Uncontrolled diabetes ... Medications 2. ... #causes #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • K sparing diuretics ... (Uncontrolled diabetes ... Medications 2. ... #causes #potassium
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
depressed) • Renal ... (over-diuresis, ... Classification #diagnosis ... management #Overview #criticalcare ... #differential #causes