31 results
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function ... Free T4, Free T3 ... • T3 Uptake ... DharSaty #Thyroid #Function ... laboratory #patterns #differential
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 ... Hyperthyroidism → Signs ... TSH, high T4 +/- T3
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
TSH • ↑ Total T3 ... ↑ FT4 and/or ↑ T3 ... : Reduce T4 -> T3 ... causes #diagnosis #differential ... endocrinology #signs
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on POCUS ... Differential/diagnosis ... See thread for POCUS ... RV, McConnell's sign ... cardiology #McConnells #sign
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... - Gitelman SIGNS ... transport, renal function ... Gastrointestinal function ... Hypochloremia #Differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... submassive PE) POCUS ... #pulmonary #differential ... #diagnosis #signs ... #Lung #POCUS #ultrasound
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Pneumonia on Lung POCUS ... POCUS lung exam ... Differential Bilat ... Lung POCUS shows ... partially seen shred sign
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
Hypertension - Differential ... significant portal HTN Signs ... obstruction) • Lack of signs ... hepatic synthetic function ... #Hypertension #Differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
neuromuscular junction ... blocks receptor function ... life-threatening Differential ... test - Cogan sign ... - Peek sign
Checklist for the Echocardiographic Evaluation of Pulmonary Hypertension
 • Record estimated PASP
 • Evaluate RV size
Evaluate RV size and function ... • Evaluate for signs ... shunt lesions) • Differentiate