104 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
and Reduction in HbA1c ... Elevation == Decreased ... Elevation #Reduction #HbA1c ... #HgbA1c #Laboratory ... #Increase #Decrease
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
Both can decrease ... larger VT and decreases ... In CHF, decreases ... In COPD, decreases ... status • Won't Work
Unintentional Weight Loss - History and Workup

Complete Physical Exam - Often overlooked components: Lymph nodes, Mental
- History and Workup ... Ca2+, albumin, HbAIc ... Unintentional #Diagnosis #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... Basic labs for decreased ... testing - Lab for decreased ... liver disease, decrease ... Diagnosis #Causes #Workup
Muehrcke's Lines (Leukonychia striata)
Narrow while transverse lines (Not depressed, compared to Beau's lines). Usually 2 or
Seen in states of decreased ... protein synthesis or increase ... #Fingernails #PhysicalExam
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... hyperproteinemia DECREASED ... Hypernatremia #Diagnosis #Workup
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
Typically the JVP decreases ... there is a lack of decrease ... or increase in ... Kussmauls #Sign #physicalexam
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Decreased filling ... Algorithm #Causes #workup
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Decreased Mg ... Diagnosis #Causes #Workup
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Mild-to-moderate decrease ... Platelet count - Decreased ... nucleated RBCs, and decreased ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup