715 results
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
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders - Differential ... HCO3 < 24mmol/L) CO2 ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... AcidBase #Disorders #Differential
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
CI-, HCO3-, PH, pCO2 ... 3: Look at the pCO2 ... . 3a: If pCO2 ... diagnoses using the differentials ... Worksheet #diagnosis #differential
Pathophysiology of Polycystic Ovarian Syndrome (PCOS)
#Pathophysiology #PCOS #Polycystic #Ovarian #Syndrome #Symptoms
Polycystic Ovarian Syndrome ... (PCOS) #Pathophysiology ... #PCOS #Polycystic ... #Ovarian #Syndrome
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... hypoxia) - Low PaO2 ... Low SvO2 → Low PaO2 ... summary #pulmonary #differential
Hepatopulmonary Syndrome
HPS - Diagnosis:
 1. Patients with liver disease
 2. Alveolar-arterial oxygen gradient (AaP02) >15 mmHg
Hepatopulmonary Syndrome ... Moderate HPS: ≥ 60 PaO2 ... Severe HPS: ≥ 50 PaO2 ... Very severe HPS: PaO2 ... Hepatopulmonary #Syndrome
Causes of Recurrent Pregnancy Loss - Differential Diagnosis Algorithm
Environmental:
 • Toxin (organic solvents, mercury, lead)
 •
Pregnancy Loss - Differential ... Antiphospholipid syndrome ... hyperthyroidism • PCOS ... • Asherman's Syndrome ... Spontaneous #Abortion #Differential
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
Management of Polycystic Ovary Syndrome (PCOS)
Hyperandrogenism, Family Planning, Endometrial cancer prevention, Cardiovascular risk factor management
→ Weight
Polycystic Ovary Syndrome ... (PCOS) Hyperandrogenism ... treatments for PCOS ... BrighamChiefs #PCOS ... Polycystic #Ovary #Syndrome
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
uncal herniation, PCOM ... • Horner's syndrome ... Coma #Neurology #differential