18 results
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... FEPO4 < 5%: • GI ... Malabsorption, Chronic ... diarrhea, Poor ... Glucose, Acute resp. alkalosis
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Base Disorders - Evaluation ... 3) Now, look at ... Differential Diagnosis ... : GI loss of H+, ... #workup #Differential
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Acute Respiratory Alkalosis ... Increased Excretion - GI ... endocrinology #causes
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... : • Decreased GI ... Absorption: Chronic ... Diarrhea, Antacids ... Acute Respiratory Alkalosis
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential ... Diagnosis Algorithm ... - Normal/low ... diarrhea, Kidney ... #causes #urinary
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI ... NG drainage - Diarrhea ... Catecholamines - Alkalosis ... #Diagnosis #Low ... Classification #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic ... diarrhea / IBD ... #Diagnosis #Low ... Classification #Causes ... #Workup #hypomg
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the Evaluation ... of Chronic Diarrhea ... Causes of acute ... #algorithm #workup ... #diagnosis #differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Laxative use • Diarrhea ... consumption • Low ... - Metabolic Alkalosis ... #Hypokalemia #diagnosis ... #Algorithm #differential
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Diagnosis Framework ... and Workup NAGMA ... - Diarrhea - ... Surgical drains - Chronic ... #Diagnosis #Workup