11 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Base Disorders ... The final step is ... , chronic, or acute ... Metabolic Acidosis, Pregnancy ... #Base #Disorders
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Irritable Bowel ... Summary Use a positive ... IBS is NOT a diagnosis ... Pelvic Floor Disorder ... #workup #gastroenterology
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Pancreatic atrophy, Acute ... mellitus, Bile acid ... Rheumatological disorders ... #differential #diagnosis ... #causes #gastroenterology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... of Pregnancy (AFLP ... : • Defect in fetal ... free fatty acid ... = nonspecific (nausea
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
, age > 70, pregnant ... Few infectious causes ... of acute gastroenteritis ... 196 (1.5%) had a positive ... #gastroenterology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Acute or chronic ... Compensation, Acute ... D-lactate (short bowel ... #Base #Gas #VBG
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
potentially be an acute ... Abdominal Pain: • Pregnancy ... pain • Ectopic pregnancy ... aneurysms • Acute ... #gastroenterology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
arteries) • Pregnancy ... : • Valvular disorders ... Myeloproliferative disorders ... significantly positive ... : • Acute Coronary
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Case Control ( ... prove causation Case ... NPV Odds ratio (case ... = incidence in acute ... ; knowledge of disorder
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
3:1), and the base ... granulomatous disorders ... pulmonary apices caused ... pulmonary edema in acute ... #differential #diagnosis