1584 results
Causes of Recurrent Pregnancy Loss - Differential Diagnosis Algorithm
Environmental:
 • Toxin (organic solvents, mercury, lead)
 •
Causes of Recurrent ... Pregnancy Loss - Differential ... Antiphospholipid syndrome ... hyperthyroidism • PCOS ... • Asherman's Syndrome
Hirsutism - Differential Diagnosis
Defined as excessive dark, coarse, male-pattern hair growth
Hirsutism causes in premenopausal women:
 •
Hirsutism - Differential ... growth Hirsutism causes ... premenopausal women: • PCOS ... Rare: Cushing's Syndrome ... tumors Hirsutism causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Metabolic: pH pCO2 ... acidosis Step 5 - Differential ... D-lactate (short bowel syndrome ... Base #Gas #VBG #differential
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders - Differential ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... AcidBase #Disorders #Differential ... Diagnosis #Algorithm #Causes
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Hypoxia #hypoxemia #differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... summary #pulmonary #differential ... #diagnosis #causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... #Differential #
Causes of Unprovoked Pediatric Seizures -  Epilepsy Syndromes - Differential Diagnosis Algorithm 
Infantile:
 • Benign
Causes of Unprovoked ... - Differential ... • Dravet Syndrome ... Unprovoked #Seizures #Differential ... Diagnosis #Algorithm #Causes
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Causes of Metabolic ... Alkalosis - Differential ... administration Other causes ... Metabolic #Alkalosis #Differential ... #Diagnosis #Causes
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
vs Venous Blood Gases ... looks like (pH, PaCO2 ... Comparison #pH #pCO2