19 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... secreting tumor, Primary ... Loop and thiazide diuretics ... #causes #potassium ... #low #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... the existence of hypertension ... Post-hypercapnia • Diuretics ... #causes #nephrology ... #potassium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypertensive: ... High Al, Low R - Primary ... >20 mEq/24 h - Diuretics ... #nephrology #causes ... #low #potassium
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Kidney Injury - Classification ... a.k.a. cardiorenal syndrome ... disease - Hypertensive ... tubular necrosis (causes ... #diagnosis #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
resistance • Metabolic ... • Diagnosis of ... irrigation • Management ... Kidney stones caused ... #Medications #Table
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
↑ Aldosterone: Primary ... Alkalosis: Emesis, Diuretics ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Diagnosis ECF ... > 20 meq/L • Primary ... other • Severe potassium ... #Diagnosis #Causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Diagnosis Approach ... , including a diuretic ... hypokalemia and metabolic ... Hypothyroidism, Primary ... Diagnosis #indications
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Hypomagnesemia • Hypertension ... the indicated causes ... of sodium and potassium ... #differential # ... diagnosis