9 results
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... • Drugs: Calcium ... Hyperphosphatemia, Acute ... metastases, Hungry bone syndrome ... #calcium
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... paraproteinemia, acute ... Niacin, Vitamin D deficiency ... Insulin/Glucose, Acute ... #phosphate #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... ultrasonography, serum calcium ... • Cardio-renal syndrome ... #Injury #AKI #Workup
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Binders, Vitamin D Deficiency ... , Acute Respiratory ... Vitamin D: Vit D Deficiency ... Diagnosis #Algorithm #nephrology ... #phosphorus #workup
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
postchronic hypercapnia (acute ... -ß hydroxylase deficiency ... -a hydroxylase deficiency ... • Milk (calcium ... Diagnosis #Causes #nephrology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... with previously stable ... heart failure, neurologic ... Neurologic disorders ... #Hypertension #Workup
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Impairment: • Acute ... stroke syndromes ... endocrine: Vitamin B12 deficiency ... dystrophies Work ... Differential #Diagnosis #neurology
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
= high-output state ... Workup for cause ... point thiamine deficiency ... causes thiamine deficiency ... AorticRegurgitation #Diagnosis #PhysicalExam
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
+ ANC < 500 → start ... full infectious work-up ... days → add fungal work-up ... interventional radiology ... malignancy: - Calcium