Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (1485 page)

mechanical hemolysis

neutrophilia

p-ANCA

rapidly progressive GN

rheumatoid factor (RF)

sedimentation rate

Sjögren syndrome

SLE

ulcerative colitis

Wegener granulomatosis

Vasectomy, disorders of sperm transport

Vasoactive intestinal polypeptide (VIP)

Vasopressin, hypopituitarism.
See also
Antidiuretic hormone (ADH)

VDRL-CSF, syphilis

Venous thrombophilia

Ventilator-associated pneumonia (VAP)

Viability testing, CHF

Vibrio
infection

V. cholerae
, noninflammatory diarrhea

V
.
vulnificus
, GI symptoms

VIP.
See
Vasoactive intestinal polypeptide (VIP)

Viral culture

bronchiolitis

common cold

croup

GI symptoms

Viral pathogens

coxsackievirus

cytomegalovirus infection

echovirus

enterovirus

Epstein-Barr virus

herpes simplex virus

HIV-1 infection and AIDS

human papillomavirus (HPV) infection

mumps

Norovirus gastroenteritis (Norwalk Agent)

parvovirus B19 (erythema infectiosum, fifth disease, transient aplastic anemia)

poliomyelitis

rubella (German measles)

rubeola (measles)

smallpox (variola virus)

varicella-zoster virus infections

Viral pneumonia

ABGs

adenovirus

CBC

CMV

corona viruses

diagnostic and laboratory findings

culture

direct antigen detection

molecular testing

serologic testing

direct antigen detection

etiology and diagnosis

Haemophilus influenzae

HSV

influenza

measles virus

parainfluenza viruses

Pneumocystis jiroveci

respiratory syncytial virus (RSV)

Staphylococcus aureus

Streptococcus pneumoniae

VZV

Viruses

enteric

hepatitis infection

Viscosity, serum

Vitamin A

cirrhosis

relative dose response (RDR) test

Vitamin B
¹

Vitamin B
²

Vitamin B
⁶

Vitamin B
¹²

MDS

primary myelofibrosis

Vitamin B
¹²
deficiency

anemia

atrophic (type A gastritis)

macrocytic anemia

neutropenia

Vitamin C

Vitamin D

hypercalciuria

hyperparathyroidism

Vitamin D, 25 hydroxy

Vitamin D, 1,25-dihydroxy

Vitamin E

VHL.
See
von Hippel-Lindau disease (VHL)

VLDL.
See
Cholesterol, VLDL

VMA.
See
Vanillylmandelic acid (VMA), urine

von Gierke disease.
See
Glycogen storage disease (GSD), type I

von Hippel-Lindau disease (VHL)

catecholamine metabolites

CBC

erythropoietin

polycythemia vera

renal cell carcinoma

von Willebrand disease (vWD)

antigen

bleeding time (BT)

clotting factors

cryoprecipitate

factor VIII

factor VIII coagulant

limitations of

platelet aggregation

PTT

results

thromboembolism

type 2B

use

vWF assay

Wilms tumor

von Willebrand factor, coagulopathy

VRE-screen culture.
See
Vancomycin-resistant enterococcus (VRE) screen culture

Vulvovaginal candidiasis.
See also
Vaginosis and vaginitis

Candida albicans

vaginitis panel, molecular probe

VWD.
See
von Willebrand disease (VWD)

VZV serology screen.
See also
Varicella-zoster Virus (VZV)

shingles

varicella (chickenpox)

W

Waldenström macroglobulinemia (WM).
See
Lymphoplasmacytic lymphoma (LPL)/Waldenström macroglobulinemia (WM)

Waldenström macroglobulinemia, cryoglobulins

Warm-reactive AIHAs

Water deprivation test

diabetes insipidus

hypopituitarism

Water restriction test.
See
Water deprivation test

WBC.
See
White blood cell (WBC)

Weak D agglutination

Weak D testing

Wegener granulomatosis

West Nile virus, encephalitis

Western blot assays

Borrelia burgdorferi
(Lyme disease)

Lyme disease

Wet mount.
See
Fungal wet mount

Weyers acrofacial dysostosis

WG.
See
Wegener granulomatosis (WG)

White blood cell (WBC), counts and differentials, 1199–1200

Whooping cough.
See also
Pertussis

Bordetella pertussis
culture

Willebrand disease, ILCA

Wilms tumor

creatinine

von Willebrand disease (vWD)

Wilson disease

ALP

ALT

AST

ceruloplasmin

dystonia

radiocopper incorporation

Wiskott-Aldrich syndrome, inherited thrombocytopathies

Wolman disease

Wound culture

Wuchereria
, blood parasite examination

X

45,X Karyotype and variants.
See
Turner syndrome

XY females, ovulatory disorders

Xylose absorption test

D
-Xylose test

diarrhea

malabsorption

Xylose tolerance test

celiac disease

pancreatitis, chronic

Y

Yeast culture

Yeasts

Yersinia

Yersinia enterocolitica

Z

Zinc (Zn)

essential trace element

limitations

normal range by age

use