54 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
by flow-volume loops ... comparison, a normal loop ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... #Loops #Patterns
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... Neuromuscular Weakness #Diagnosis ... PFTs #Spirometry #FlowVolume ... #Loops #Patterns
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Testing: Flow Volume Loop ... nickmmark #FlowVolume ... #Loops #pulmonary ... PFTs #patterns #diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... • HTN Absent: Loop ... #Differential #Diagnosis ... #Algorithm #causes
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential Diagnosis ... Algorithm GI LOSS ... Urine Mg > 10g • Loop ... #Algorithm
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Remote Diuretics - Loop ... Recent Diuretics - Loop ... metabolic #alkalosis #algorithm ... #diagnosis
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
- Differential Diagnosis ... Algorithm Unilateral ... • Metabolic Causes ... Propranolol, Levodopa, Loop ... #Algorithm #Causes
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... - Differential Diagnosis ... Algorithm GI Losses ... • Diuretics (loop ... #Algorithm #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes
Major Segments of the Nephron and their Functions 
 - Glomerulus - Formation of glomerular filtrate
organic acids and bases ... limb of Henle's loop ... limb of Henle's loop ... Pathophysiology #Tubules #Table