15 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
#Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior ... #HeadImpulse #Testing ... #HIT #HINTS
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic ... Testing and Evaluation ... Frequency obtained - Abnormal ... #workup #testing ... Effectiveness #table
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
HINTS Exam - Normal ... = Central Cause ... This patient as ... Video by Dr. ... #Neurology #Vertigo
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
Diagnostic algorithm ... patients with AVS ... disposition, even if the cause ... #Diagnosis #AVS ... #Posterior #CVA
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
complications such as ... from other causes ... consumption • Low/Normal ... #Hypokalemia #diagnosis ... differential #potassium #nephrology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
adrenal glands as ... Insufficiency #Evaluation ... #laboratory #diagnosis ... #testing #endocrinology ... #workup
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... cascade is intact - test ... discern these causes ... liver function tests ... fibrinogen levels, and testing
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory Evaluation ... value is low, tests ... Haptoglobin - Low as ... indirect antiglobulin tests ... #Workup #Hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Induced Lupus vs ... • Immunologic Workup ... Discontinuation of causal ... sle #comparison #table ... #rheumatology #diagnosis
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... C3, C4 - Test for ... infections are common causes ... #workup #diagnosis ... nephrotic #nephritic #nephrology