53 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
dysfunction revealed by flow-volume ... comparison, a normal ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... Patterns #Comparison #Normal
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... Normal B. ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Normal Blood Smear ... Target Cells, Normal ... WBCs - Normal ... Deficiency - Abnormal
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Relative - Normal ... JAK-2 Positive - Low ... /Normal Erythropoietin ... Saturation 90%, Abnormal ... Heart Disease Abnormal
Causes of Female and Male Infertility - Differential Diagnosis Algorithm
Causes of Female Infertility:
 • Uterus -
Differential Diagnosis Algorithm ... laparoscopy • Normal ... Sperm Motility - Abnormal ... hypogonadism) Low ... Differential #Diagnosis #Algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses: • Normal ... • HTN Absent: Loop ... Differential #Diagnosis #Algorithm ... #causes #potassium
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Remote use of loop ... alkalosis - Normal ... /low blood pressure ... mineralocorticoid-like effect) • Normal ... salicylate poisoning • Normal
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
loss if renal function ... is normal NEPHKIDS ... Hypomagnesemia #algorithm ... differential #diagnosis #causes ... nephrology #magnesium #low
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... TSH, Low normal ... • Low TSH, normal ... Scan • High or normal ... Hyperthyroidism #algorithm
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
with Low Mean Corpuscular ... Deficiency) Ferritin normal ... decreased, TIBC normal ... , TIBC Normal - ... Increased HgbA2, Normal