416 results
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function ... Free T4, Free T3 ... • T3 Uptake ... FTI) • Reverse T3 ... DharSaty #Thyroid #Function
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Free T4, Free T3 ... #Hypothyroid #Function
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... normal T4 +/- T3 ... TSH, high T4 +/- T3 ... TSH, high T4 +/- T3
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
high; in some cases ... , T3 is elevated ... low; free T4 and T3 ... low; free T4 and T3 ... low; free T4 and T3
Oropharyngeal and Esophageal Causes of Dysphagia - Differential Diagnosis
Oropharyngeal Dysphagia
 • Neuromuscular causes: CVA/CNS tumor/ALS, Parkinson's,
and Esophageal Causes ... Neuromuscular causes ... Non-relaxation of EG junction ... Achalasia, EG junction ... sclerosis - Functional
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... Hyperkalemia is caused ... impaired renal function ... rarely the sole cause ... #Differential #Causes
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
thyrotoxicosis • T3 ... TSH • ↑ Total T3 ... ↑ FT4 and/or ↑ T3 ... : Reduce T4 -> T3 ... hyperthyroidism #causes
Approach to Nausea / Vomiting - Differential Diagnosis Framework
 • Gastrointestinal 
    -
Approach to Nausea ... Disorders • Other Causes ... Genitourinary • Functional ... /AnthonyXuMD #Nausea
Thyroid Function Pathway 

Hypothyroidism is a very common condition! Here's a repost of the pathway that
Thyroid Function ... stimulate more T4/T3
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Diagnosis Algorithm Cause ... intoxication Cause ... transport, renal function ... Gastrointestinal function ... ⁻ increase may cause