17 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... • Euvolemic (Low ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... #Algorithm #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Hypothyroidism, Low ... Cirrhosis, Nephrotic syndrome ... diagnosis #sodium #low ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... paraproteinemia, acute ... • Normal or Low ... - Normal or Low ... #phosphate #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Hyperphosphatemia, Acute ... metastases, Hungry bone syndrome ... #Hypocalcemia #Workup ... Diagnosis #Algorithm #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... electrolytes, urea, uric acid ... • Cardio-renal syndrome ... #Injury #AKI #Workup
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... , Acute Respiratory ... Tumor Genesis Syndrome ... Diagnosis #Algorithm #nephrology ... #phosphorus #workup
NSAIDS and their effects on the Kidney - Pathophysiology

Arachidonic Acid metabolites into alternative pathways that modify
Arachidonic Acid ... distal nephron: Hyponatremia ... decreased renal blood flow ... immune reaction • Acute ... KidneyDisease #nephrology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
- ACS, AKI, acute ... priapism • Lab values ... sudden death • Lab values ... Elevated uric acid ... , Elevated Cr, Low
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... previously stable values ... heart failure, neurologic ... Neurologic disorders ... #Hypertension #Workup
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
- Summary Acute ... • Weakness: Starts ... /constipation, hyponatremia ... variants: (1) acute ... management #treatment #neurology