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Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
has a number of causes ... Other causes include ... short periods Causes ... Causes include ... asthma, chronic
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis Algorithm ... in cough) • Abnormal ... exam, etc) • Abnormal ... #causes
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Evaluation of Chronic ... Causes of acute ... 1000 g/24 h) #Chronic ... #workup #diagnosis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
protease activity - A low ... If the value is low ... decrease in most cases ... Haptoglobin - Low ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
in cases in which ... secretion; in chronic ... aldosterone - Often normal ... as a result of chronic ... endocrinology #workup
Causes of Constipation in Adults
Most common
 - Inadequate fiber or fluid intake
 - Poor bowel habits
Systemic
Causes of Constipation ... Cholestyramine Structural abnormalities ... Idiopathic megarectum Slow ... disorders - Chronic ... #Constipation #Causes
Nail Pathologies - Findings in or Near Nails

Paronychia 

A superficial infection of the proximal and lateral
Chronic infections ... increased blood flow ... Local causes include ... Systemic causes ... Nail #Diseases #Abnormal
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... Chronic kidney disease ... Drug-associated: heparin, low-molecular-weight ... High #Potassium #Classification ... #Causes