57 results
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Time (PT) - Often Elevated ... (PTT) - Often elevated ... • Underfilled test ... Thromboplastin #laboratory #hematology ... #diagnosis
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic ... Test Characteristics ... Cholecystitis #Diagnosis ... Characteristics #Table ... LikelihoodRatio #Accuracy #PhysicalExam
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
HELLP (Hemolysis, Elevated ... Liver tests, Low ... AFLP #obstetrics #hematology ... #diagnosis #table
Thrombocytopenia and Pregnancy
Three syndromes in the critically ill pregnant woman who presents with coagulation defects.
1) HELLP
HELLP (Hemolysis, Elevated ... Liver tests, Low ... Obstetrics #OBGyn #Hematology ... #Diagnosis #Comparison ... #Table
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... and Management ... Direct antiglobulin test ... #Management #Algorithm ... #hematology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
following a finger) • Test ... TylerLarsenMD #HINTS #physicalexam ... Peripheral #Vertigo #diagnosis ... bppv #comparison #table
ISCHEMIA Trial - Management Algorithm for patients with Stable Angina

Stress Test -> ? +moderate or severe
ISCHEMIA Trial - Management ... Angina Stress Test ... evaluation or management ... Angina #ChestPain #Diagnosis ... #Management #Algorithm
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Disorientation, vertigo Diagnostic ... test, TempTest ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity is the diagnostic ... available for rapid diagnosis ... value is low, tests ... indirect antiglobulin tests ... #Workup #Hematology
Pancreatitis management checklist 
Evaluation to guide etiology & management 
 - RUQ ultrasound 
 - Calcium
Pancreatitis management ... Liver function test ... e.g., markedly elevated ... limit them as able ... Pancreatitis #Checklist #Diagnosis