7 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... tubal acidosis and metabolic ... alkalosis, Ketonuria ... renal failure Hypervolemia ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... Pressure: - Metabolic ... Alkalosis: Emesis ... differential #potassium #nephrology
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Secondary Causes ... 3+) Consider secondary ... Unilateral RAS Metabolic ... • Hypercalcemia ... #Nephrology #Differential
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... disorders including hypokalemia ... and metabolic alkalosis ... Hyperthyroidism, Hypercalcemia ... Jcortesizaguirr #Secondary
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Transcellular Shifts: - Alkalosis ... hyperaldosteronism, Secondary ... #Causes #differential ... #diagnosis #nephrology
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Cushing's Syndrome ... • Acne • If secondary ... Neuropsychological: lethargy ... Cataracts Labs: Hypokalemia ... alkalosis (Due
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
resistance • Metabolic ... alkalosis • Familial ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... Excretion #Diuresis #Nephrology