16 results
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... , Gitelman syndrome ... ketoacidosis • D-lactic ... the excretion of sodium ... urine #Algorithm #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
• Euvolemic (Low ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... Workup #Algorithm #nephrology ... #sodium
Clinical manifestations of acute liver failure 

Brain: 
Hepatic encephalopathy,  
Cerebral edema,  
Intracranial hypertension,
hypertension, Seizures ... Liver: Loss of metabolic ... Coagulopathy, Lactic ... acidosis Systemic ... expenditure Heart
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
: Hypovolemia, Heart ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia, Low ... Algorithm #diagnosis #sodium ... #nephrology
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Dehydration - Loss of sodium ... conditions - Neurogenic ... illness → Hypernatremia ... • Labs: - Metabolic ... consciousness, Coma/seizure
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hypothyroidism, Low ... Urine Na < 20: Heart ... Cirrhosis, Nephrotic syndrome ... algorithm #diagnosis #sodium ... #low #nephrology
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Lactic Acidosis ... Ischemia, Compartment Syndrome ... Hypothermia & Shivering, Seizures ... toxic alcohols, Sodium ... Inborn Errors of Metabolism
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
: SIADH, Renal Sodium ... can be high or low ... renal perfusion (Heart ... Cirrhosis, Nephrotic syndrome ... #nephrology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
impairment of cellular metabolism ... sweat) - its metabolism ... Heavy exercise - Seizures ... LV failure - Low ... - Compartment syndrome
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
resistance • Metabolic ... • Hyponatremia ... • Nephrogenic ... and euvolemic hyponatremia ... Excretion #Diuresis #Nephrology