20 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... Repeat the sodium ... liver failure • nephrotic ... syndromerenal ... #Algorithm #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
syndrome) Euvolemic ... Stress, Nausea, ... Pulmonary Diseases ... #diagnosis #nephrology ... #sodium
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Differential Diagnosis Algorithm ... Overfill (Increased renal ... sodium retention ... • AKI/CKD • Nephrotic ... Acute Respiratory Distress
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... Hypothyroidism, Stress ... , UNa < 20 • Nephrotic ... Differential #Diagnosis #Algorithm ... #Causes #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... Cirrhosis • Nephrotic ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... Cirrhosis • Nephrotic ... #Hyponatremia #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
failure, Cirrhosis, Nephrotic ... syndrome • Urine ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... mOsm/kg - Implies renal ... #Algorithm #nephrology ... #sodium
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... Algorithm and Differential ... Interstitial nephritis ... syndrome: troponin ... #Diagnosis #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
nephrolithiasis • Symptoms ... → Refer to Nephrology ... for renal biopsy ... cystoscopy • Refer to Nephrology ... #Workup #urology