20 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
dysfunction revealed by flow-volume ... loops. ... comparison, a normal loop ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Normal Acid-Base: Low ... Ureterosigmoidoscopy • HTN, Low ... • HTN Absent: Loop ... Diagnosis #Algorithm #causes ... #potassium #low
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... • Diuretics (loop ... aldosteronism Low ... Renin, Low Aldosterone ... Diagnosis #Algorithm #Causes
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Urine Mg > 10g • Loop ... Hypomagnesemia #Magnesium #Low ... #Causes #Differential
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... of breath with low ... first glanse this looks ... wide-spread that it looks ... Consolidation #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... Differential #Diagnosis #Low ... Classification #Causes
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Definition: Afferent loop ... Optic nerve* (main cause ... neuritis due to MS How
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Remote use of loop ... - Normal/low ... Diagnosis #Algorithm #causes
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... Evaluate underlying cause ... <60 y) • +/- loop ... Ruled out other causes