FLU
RED FLAGS
ER REFERRAL :
NEW ONSET CONFUSION
CHEST PAIN
DYSPNEA
ABDOMINAL PAIN
PERSISTENT VOMITING
SUSPICION OF EPIGLOTTITIS-DROOLING
WORSENING SYMPTOMS
COMPLICATION BACTERIAL PNA-ADVENTITIOUS LUNG SOUNDS
DEFINITION/EPIDEMIOLOGY
TYPE A OR B
USU SELF LIMITED VIRUS
HIGHLY CONTAGIOUS
ALL AGE GROUPS AFFECTED
RAPID OUTBREAKS 10-40% OF POPULATION
2009 NOVEL H1N1 SWINE FLU-NOW REGULAR FLU STRAIN
DROPLET SPREAD- TALK COUGH SNEEZE
VIRUS ENTERS EPITHELIAL CELLS OF RESP TRACT
PENETRATES CELLS
REPLICATES
CAUSES CELL DEATH AND DESQUAMATION-SYMPTOMS OCCUR
VIRUS EVOLVES 2/2 MUTATIONS OR RECOMBINATION EVENTS DURING REPLICATION-CALLED ANTIGENIC DRIFT
WHY YOU NEED ANNUAL SHOTS
INCUBATION 1-2 DAYS
PRESENTATION
FEVER-100 TO 104 UP TO 8 DAYS
CHILLS
HEADACHE
MALAISE
MYALGIA
ANOREXIA
DRY COUGH
NASAL CONGESTION-CLEAR
SORE THROAT
CONVALESCE 1-2 WEEKS
FLU pe
FEVER,
RED WATERY EYES
CERVICAL LYMPH ENLARGED AND TENDER
DIAGNOSTIC TESTING
VIRAL SWABS
everse transcriptase polymerase chain reaction (RT-PCR) assays GOLD STANDARD-2-7 DAYS
RAPID TESTS NOT AS RELIABLE
A& B NASAL SWAB
FLU ANTIGEN
SERUM ANTIBODY TITRE( SPECIAL CIRCUMSTANCE)
FLU DIFF DIAGNOSES
COMMON COLD
( VIRAL RHINITIS)
RSV
PNA
SEVERE STREP PHARYNGITIS
NON PHARM
REST
FLUID INTAKE
ISOLATE
PHARM
ANTIPYRETICS
ANALGESICS
ANTIVIRAL MEDICATION (avm): FOR A & B
NEURAMIDASE INHIBITORS:
OSETALMIVIR TAMIFLU
ZANAMIVIR RELENZA
PERAMIVIR RAPIVAB
ANTIVIRALS FOR A ONLY
AMANTADINE
REMANTIDINE
RESISTANCE TO AV DEVELOP FAST- CHECK CDC GUIDLEINES FOR LATEST AVM
GIVE AVM WITHIN 48 HOURS- PRE EMPTIVE
AT RISK POP
LIFE SPAN
65 AND OVER( MORTALITY FROM FLU -90 % ARE >65)
PULMONARY OR CARDIAC DX
DM
IMMUNOSUPPRESSION
PREGNANCY
<2 YEARS OLD
FLU COMPS
PRIMARY FLU PNA
BACTERIAL PNA
GUILLAN BARRE
ENCEPHALITIS
MYOSITIS
TSS
EDUCATION
GET FLU VACCINE
STAY HOME WHEN ILL
AVOID CROWDS IN OUTBREAK TIMES
HYGIENE-WASH HANDS COVER MOUTH AND NOSE
HEALTH PROMOTION
ANNUAL VACCINATION 6 MONTHS OR OLDER IN FALL
FLU YEAR ROUND RISK IN TROPICS/SUBTROPICS
VACCINE TYPES
TRIVALENT IIV3-
2 A’S (ONE A IS H1N1), 1 B
QUADRIVALENT IIV4
2 A’S 2 B’S
IIV3 FOR 6 MONTHS UP NO EGG ALLERGY
IIV4 3 YEARS AND UP
NOW EGG FREE RECOMBINANT VACCINE FOR AGE 18-49 W EGG ALLERGY
KIDS 6MONTHS TO 8 YEARS-FIRST VACCINE SHOULD GET 2 VACCINES AT LEAST 4 WEEKS APART, THEN ANNUAL
2010 HIGH DOSE INACTIVATED FOR 65 UP -BETTER RESPONSE
LAIV -LIVE ATTENUATED INFLUENZA VACCINE NASAL SPRAY VACCINE- HEALTHY AGE 2-49 NON PREGNANT-DOES NOT CAUSE FLU
TICK BORNE DISEASES TBD
D
IXODES SCAPULARIS ( DEER TICK)
LYME’AB=NAPLASMOSIS
BABESIOSIS
POWASSAN
VIRAL
PROTOZOAL AND BACTERIAL PATHOGENS CARRIED BY BLT
LYME
DEFINITION AND EPIDEMIOLOGY
INVENTED 1976
LYME CONTECTICUT
PREVALENT NE AND NORTHERM STATES
HIGHEST AGE 5-9 AND 50-55
SPRING EARLY -TICK OUT LOOOKING FOR BLOOD MEAL ,DIAGNOSIS PEAKS IN SUMMER
MOST COMMON VECTOR BORNE DISEASE US
6TH NATIONALLY NOTIFIABLE DISEASE IN US
PATHOPHYSIOLOGY
BORRELIA BURGDORFERRI
TICK-ANIMAL RESERVOIR-HUMAN
LARVA NYMPH AND ADULT-BLOOD FEAST AT EACH STAGE
LARVA AND NYMPH USE RODENTS MICE CHIPMUNKS
DEER ARE ESSENTIAL FOR ADULT
TICK TAKES A MEAL B BURGDORFERRI MIGRATES FROM TICK MIDGUT TO HOST
THIS TAKES > 36 HOURS ATTACHMENT
INTO BLOOD AND LYMPHATIC SYSTEM
EARLY
EARLY DISSEMINATED
LATE PERSISTENT
ERYTHEMA MIGRANS 3-30 DAYS -WAIST AXILLAE GROINS IN 70-80% POP
> 5 CM -CAN TREAT EMPIRICALLY
FLU LIKE SYMPTOMS:
FATIGUE
LETHARGY
FEVERS
ARTHRALGIA
REGIONAL LYMPHADENOPATHY
PE EARLY DISSEMINATED
MULTIPLE EM
NEUROLOGIC SYMPTOMS:
HEADACHE & NECK STIFFNESS ( LYMPHOCYTIC MENINGITIS)
CRANIAL NERVE PALSIES ESP BELLS OR FACIAL NERVE PALSY
MOTOR OR SENSORY NEURITIS
RARE CEREBELLAR ATAXIA OR ENCEPHALOMYELITIS
CARDIAC SYMPTOMS:
MYOPERICARDITIS-HEART BLOCK AND BRADYCARDIA
RARE LYME CARDITIS
PE
INTERMITTENT ARTHRITIS LARGE JOINTS
RARER :
ENCEPHALOPATHY (SUBTLE MEMORY AND COGNITIVE CHANGES)
POLYNEUROPATHY
DIAGNOSTICS
CLINICAL LOOK FOR ANTIBODIES TO B BURGDORFERI-,MAY NOT APPEAR FOR TWO WEEKS
IDSA AND CDC RECOMMEND: 2 STEP ALGORITHM
ELISA ( ENZYME LINKED IMMUNSORBENT ASSAY)
IF + OR EQUIVOCAL
IGM AND IGG WESTERN BLOT (WB ) ASSAYS TO CONFIRM
+= IGM WB 2 0F 3 BANDS PRESENT
+= IGGWB 5 OF 10 SPECIFIC BANDS PRESENT
70-80% PEOPLE DEVELOP AB 2-3 WEEKS AFTER INFECTION IGM
ALMOST 100% IGG AFTER 4-8 WEEKS AFTER INFECTION IF NOT TREATED.
PRESENTS ONE MONTH POST SYMPTOM ONSET W NEG ELISA - CONSIDER F/U CONVALESCENT SERUM TESING TO DIAGNOSE LYME
> ONE MONTH + ELISA ONLY DO IGG ( IGM WILL BE FALSE +VE)
LATE STAGE WILL HAVE + IGG WB
NO LYME WB TEST W/O + OR EQUIV ELISA
CANNOT TEST FOR CURE SP ABX. MOST PTS HAVE + IGG + IGM 10-20 YEARS AFTER DIAGNOSIS , MD INCORRECTLY ATTRIBUTES SYMPTOMS TO LYME
NEW C6 PEPTIDE LESS SENSITIVE TO EARLY STAGE DISEASE SO NOT RECOMMENDED AS STAND ALONE.
CSF PCR HAS FALSE NEGATIVES
LYME ARTHRITIS: ARTHROCENTESIS AND SYNOVIAL FLUID SENT FOR B BURG PCR ( MUCH HIGHER SENSITIVITY THAN CSF PCR
DIFF DX
EM CAN BE OTHER ETIOLOGIES SUCH AS TICK BITE HYPERSENSITIVITY, BACTERIAL CELLULITIS
MULTIPLE ERYTHEMA MIGRANS VS ERYTHEMA MULTIFORME
CRANIAL NERVE PALSIES - LYME VS VZV AND HSV TYPE 1
MENINGITIS TYPES
LYME ARTHRITIS VS SEPTIC ARTHRITIS OR GOUT ,PSEUDOGOUT
FATIGUE /INSOMNIA/MYALGIA : LYME LATE PERS VS CHORNIC FATIGUE SYNDROME , FIBROMYALGIA
PHARM MGT
IDSA GUIDELINES
EARLY DISSEM
ALL STAGES CURABLE WITH APPROPRIATE TREATMENT
DOXYCYCLINE ( TREATS ANAPLASMOSIS AND HME ALSO -FROM TICKS)
100 MG BID X 14 DAYS
AMOXICILLIN 500 MG BID X 14 DAYS
CEFUROXIME 500 MG BID X 14 DAYS-2nd gen
2 & 3 IF ALLERGY TO DOXY OR PT PREGNANT
FIRST GEN CEPHALOSPORINS NOT EFFECTIVE AGAINST B BURGDORF
NEURO
CEFTRIAXONE 2 GRAMS IV DAILY X 14 DAYS ( NOW 10)
NEURO DONT NEED HOSPITALIZATION:
DOXYCYCLINE PO X 14 DAYS ( GOOD ABSORPTION)
CRANIAL NERVE PALSY, EG VII + NO MENINGITIS SYMPTOMS -TREAT AS EARLY LYME- DOXY,AMOXI,CEFUROXI
LYME CARDITIS
HOSPITAL USU AS SYMPTOMATIC W DYSPNEA , CHEST PAIN, SYNCOPE, HEART BLOCK
IV ABX EG CEFTRIAXONE + MONITORING
COMPLETE HEART BLOCK USU RESOLVES ONE WEEK,
LESSER DEGREES OF HEART BLOCK - UP TO 6 WEEKS
LYME ARTHRITIS
DOXY,AMOXI,CEFUROXI X 28 DAYS,THEN REPEAT IF SYMPTOMATIC -SYMTPOMS LAG BEHIND RX. EITHER WAIT OR IMMED : ANOTHER 28 DAYS PO OR 14-28 IV ( CEFTRIAXONE)
LYME PHARM MGT
LATE
VAGUE SYMPTOMS
REPEAT TWO STEP TESTING AND CSF ABNORMALITIES EVIDENCE OF ANTIBODIES
ABX SAME AS NEURO BUT DO NOT OVERTREAT, NOW CALLED POST LYME DISEASE SYNDROME PLDS
NON PHARM MGT
PDLS NEED CLINICAL EVAL OF OTHER CAUSES OF THEIR SYMPTOMS
REFER TO RHEUMATOLOGIST
REFER TO CARDIOLOGIST FOR HEART BLOCK PROLONGED ISSUES MAY NEED PPM
LYME PROEVENTION
LONG PANTS AND SLEEVES
AVOID HIGH GRASSES
USE TICK REPELLANT 20% DEET , PERMETHRIN
SHOWER AFTER HIKES
DRY CLOTHES ON HIGH HEAT KILLS TICKS ON CLOTHING:
10 MINS IF DRY
60 MINS IF WET
3 FOOT GRAVEL BORDER IN YARD
PROPHYLACTIC DOXY 200 MG IN 72 HOURS IF TICK FOUND + 87% PREVENTION OF ERYTHEMA MIGRANS
SURPRISE CARD
CHOLECYSTITIS
CLASSIC OBSTRUCTION: CYSTIC DUCT OR JUNCTION:
> WBC
>LFT
AMYLASE /LIPASE/BILIRUBIN WNL
COMMON BILE DUCT
>WBC
>BIL
> AMYLASE LIPASE
LFT WNL
PANCREATIC DUCT
>BILI
> AMYLASE/LIPASE
INFECTIOUS MONO NUCLEOSIS - MONO
DROOLING
AIRWAY COMPROMISE2/2 TONSILLAR ENLARGEMENT/ABSCESS
ABD PAIN IN PRESENCE OF FEVER
JAUNDICE
ANY HISTORY OF ABDOMINAL TRAUMA INCLUDING SPORTS. WHY? RISK OF SPLENIC RUPTURE
MONO
ACUTE
SELF LIMITED
USU BENIGN
90% EPSTEIN BARR- CALLED EBV-IM
10% NEPBV-IM -CMV,TOXOPLASMA GONDII, HEPATITIS, ADVENOVIRUS, HIV
HIGHEST INCIDENCE 15-19 YO
> RATE YOUNG ADULTS GROUP SETTING:
COLLEGE STUDENTS
MILITARY PERSONNEL ACTIVE DUTY
UNCOMMON <2% IN ADULTS
IM
EBV IS A HERPES VIRUS
OTHER VIRUSES:
CMV
HERPES 6
HEP A
FLU A&B
RUBELLA
SOME CANCERS
HIV
FRAGILE DNA VIRUS
SPREAD OROPHARYNGEAL - INVADE ORAL EPITHELIAL- B LYMPHOCYTES-CAUSE SIGNIFICANT BUT TIME LIMITED RESULT
IIMMUNE RESPONSE CAUSES SYMPTOMS
INCUBATION LOOOONG 4-8 WEEKS ( SIMILAR TO HEP A-15-45 DAYS)
HEPATIC INVOLVEMENT 10% YOUNG ADULTS, 30% OLDER ADULTS
ACUTE EBV STIMULATES ANTIBODIES THAT LAST A LIFETIME
INFECTION W IM > CHANCES OF MS > FOR NEXT 30 YEARS
CLINICAL PRESENTATION
CLASSIC TRIAD :
FEVER UP TO 104
PHARYNGITIS
LYMPHADENOPATHY ANTERIOR AND POSTERIOR CERVICAL CHAINS
TEENAGER PHARYNGEAL INFLAMMATION AND PALATAL PETECHIAE,TONSILLAR ENLARGEMENT
OLDER ADULTS: HEPATOMEGALY AND JAUNDICE - NOT SORE THROAT
SYMPTOMS PEAK 7 DAYS AFTER ONSET , LESS PRONOUNCED NEXT 1-3 WEEKS.
FATIGUE SEVERAL MONTHS
SPLENIC ENLARGEMENT 40-100%
LESS COMMON:
JAUNDICE , ABD PAIN , RASH -CAN BE MACULAR, URITCARIAL , PETECHIAL ERYTHEMA MULTIFORME
PHYSICAL EXAM
LOOK FOR TRIAD
ABDOMINAL EXAM FOR SPLENOMEGALY
HEPATO MEGALY
NOTE FOR RASH JAUNDICE
IM DIAGNOSTICS
LAB
CBC-LYMPHOCYTOSIS
HETEROPHIL ANTIBODY (IDENTIFIES 85% ,FALSE-VE EARLY )
THROAT CULTURE-FOR STREP ( 3-30% HAVE STREP)
ADDITIONAL IF NEEDED
VCA
IMMUNOGLOBULINS IGM AND IGG- BETTER R/O THAN HETEROPHIL
LFT-> ELEVATED IN 80-90%
EBV NUCLEAR ANTIGEN
USS SPLEEN
IF ENLARGED- SERIAL USS, ASSESS FOR RUPTURE
STREP PHARYNGITIS
HEPATITIS A
VIRAL URI
HYDRATE
NO STRENUOUS EXERCISE OR CONTACT SPORTS 4 WEEKS
REASON -SPLENOMEGALY + RISK OF RUPTURE
IM PHARM
NSAIDS
TYLENOL MAX 4000 MG/24 HOURS
THROAT LOZENGES
2% LIDOCAINE GARGLES VISOUS PRESCRIBED
ANTIVIRALS + OCS DONT HELP EXCEPT OCS USED FOR RARE COMPS
IM REFERRAL /HOSPITAL
MOST CASES UNEVENTFUL
COMPS IN OLDER ADULTS:
FULMINANT HEPATITIS
SEVERE CHOLESTASIS JAUNDICE
LFTS
BIOCHEMICAL MARKERS OF LIVER INJURY:
ALT . AST. ALK PHOS. BILIRUBIN .ggt
HEPATOCELLULAR FUNCTION MARKERS:
ALBUMIN. PROTHROMBIN. BILIRUBIN
BILIRUBIN. MEASURES LIVER ABILITY TO DETOXIFY METABOLITES AND TRANSPORT ORGANIC ANIONS INTO BILE
CHOLESTASIS IS BACKFLOW OF BILE
IM LIFE SPAN
OLDER ADULTS AT RISK FOR MISDIAGNOSIS - IM RARE , AND DIFFERENT SYMPTOMS FEVER, NO PHARYNGITIS OR LYMPHADENOPATHY IN 50%
IM COMPS
ACUTE UPPER AIRWAY OBSTRUCTION
HEPATOMEGALY
SPLENOMEGALY
SPLENIC RUPTURE
JAUNDICE 5%
DDD
HEM:
THROMBOCYTOPENIA
NEUTROPENIA 50-80%
APLASTIC ANEMIA
RASH IF TREATED WITH AMOXI OR AMIPICILLIN
ANEMIA
3 MAIN CATEGORIES
NOT A DISEASE, BUT A SYMPTOM OF AN UNDERLYING DISORDER
3 MAIN CATEGORIES:
RBC PRODUCTION DISORDERS
RBC DESTRUCTION DISORDERS
BLOOD LOSS-ACUTE OR CHRONIC
LOW HGB <12G/DL WOMEN, <14 G/DL MEN
STEM CELL LINES
ERYTHROPOETIN
INDUCES ERYTHROID EPO
A GLYCOPROTEIN HORMONE
PRODUCED BY
PERITUBULAR CELLS OF THE KIDNEY
STIMULATES RBC PRODUCTION
INDUCES ERYTHROID PRECURSOR CELLS TO DIFFERENTIATE
ERYTHROPOESIS
PRODUCTION OF ERYTHROCYTES ( RBCS)
IN AXIAL SKELETON
AND PROXIMAL LONG BONES
BONE MARROW FUNCTION
HAS MATRIX OF RETICULAR CELLS AND FIBERS- MARROW STROMA
IN STROMA STEM CELLS STIMULATED BY COLONY STIMULATING FACTORS
TO GROW AND DIFFERENTIATE INTO VARIOUS BLOOD CELLS
CIRCULATING BLOOD CELL LIFE 100-120 DAYS
TURNOVER 1% A DAY
HYPOXIA AND ANEMIA WILL CAUSE MARROW PRECURSORS
PATHO
TOO LITTLE OXYGEN TO TISSUES
NEED:
FUNCTIONAL BONE MARROW
INTACT ERYTHROPOETIN SYSTEM - RENAL
ADEQUATE IRON, B12, FOLATE, PROTEIN
ABSENCE OF CHRONIC INFLAMMATION
IROON DEFICIENCY ANEMIA IDA
ANEMIA OF CKD- UNDER PRODUCTION OF ERYTHROPOETIN = NO SIGNAL TO TRIGGER RBC PRODUCTION
FOLATE
VITAMIN B12
ACD
APLASTIC ANEMIA -RESULT OF BONE MARROW STEM CELL FAILURE
SICKLE CELL
HEREDITARY SPHEROCYTOSIS , ELLIPTOCYTOSIS ( ?TO DO WITH RBC SHAPE? NOT BICONCAVE?)
RBC ENZYME DEFECT -G6PD
AUTOIMMUNE ANTIBODY PRODUCTION- AUTOIMMUNE HEMOLYTIC ANEMIA( RARE-MONO)
BLOOD LOSS
ACUTE OR CHRONIC
CHRONIC CAN BE OVER PERIOD OF TIME AND AS LITTLE AS FEW TEASPOONS BLOOD LOSS DAILY GI
MENORRHAGIA
HEMATURIA
S+S NOT VISIBLE UNTIL <7.5G/DL
FATIGUE MALAISE
EXERCISE INTOLERANCE
TACHYCARDIA AT REST
WIDE PULSE PRESSURE
MIDSYSTOLIC OR PANSYSTOLIC MURMUR
BRITTLE NAILS
ANGULAR CHEILITIS
CLUBBING
PALLOR OF CONJUNCTIVAE,NAIL BEDS, PALMAR CREASES
REQUIRES HEAD TO TOE PHYSICAL, MULTIPLE CAUSES
CONSTITUIONAL
CARDIAC
RESP RATE, DYSPNEA
SKIN NAILS
GI
THIS IS HARD, MAKE SIMPLE
CBC W
RBC INDICES AND MORPHOLOGY
RETICULOCYTE COUNT
PERIPHERAL BLOOD SMEAR DETECTS MICROCYTIC EARLY
WBC W DIFFERNETIAL ( ALL BLOOD CELL LINES)
ADDITIONAL:
OCCULT BLOOD
VIT B12
THYROID FUNCTION TESTS
LFT
RENAL FUNCTION -BUN CREATININE eGFR
ERYTHROPOETIN LEVEL
COOMBS TEST
SERUM HOMOCYSTEINE
ESR
CRP
LDH /HAPTOGLOBIN
IMAGING
BONE MARROW BX
LAB EXPLAINED
MCV- IDENTIFIES RBC SIZE
MICROCYTIC-<80FL
NORMOCYTIC 80-99 FL
MACROCYTIC>100 FL
MCH -AMOUNT OF HGB IN RBC 27-34 PG
< HYPOCHROMIC
NORMOCHROMIC
> HYPERCHROMIC
THS GUIDES OTHER TESTS FOR TYPE OF ANEMIA
IMMATURE RBCS
CALCULATE A RETICULOCYTE INDEX RI
LOW RI = MARROW THAT CANNOT COMPENSATE FOR ANEMIA
HIGH RI = MARROW RECOVERING FROM ANEMIA OR HEMOLYSIS
IF HIGH RI - R/O HEMOLYTIC ANEMIA BY CHECK BILIRUBIN ,>HAPTOGLOBIN,SERUM LDH-LACTATE DEHYDROGENASE( CELLULAR INJURY)
>LDH
>BILIRUBIN =MARKER OF HGB CATABOLISM
<SERUM HAPTOGLOBIN -LOW VALUE =INTRAVASCULAR HEMOLYSIS
EXPL: HAPTOGLOBIN BINDS TO FREE HEMOGLOBIN FROM LYSED RBCS IN BLOOD. IMPORTANT TO REMOVE TOXIC EFFECTS . BECAUSE HAPTOGLOBIN LEVELS BECOME DEPLETED IN THE PRESENCE OF LARGE AMOUNTS OF FREE HGB DECREASED HAPTO IS A SIGN OF HEMOLYSIS
HEMOGLOBIN-HAPTOBLOBIN COMPLEXES REMOVED FROM CIRCULATION BY RETICULOENDOTHELIAL SYSTEM
REFER TO HEMATOLOGIST
PERIPHERAL BLOOD SMEAR
DETECTS MICROCYTIC CHANGES OF IDA LONG BEFORE HGB CHANGES-SHOWS FUNKY SIZE AND SHAPE OF RBC CELLS
RDW- MEASURES DEGREE OF HOMEGENEITY OR VARIABILITY IN RBC SIZE
ADDITIONAL DIAGNOSTICS
IF IDA OR LOW MCA:
SERUM FERRITIN- REFLECTS BODY STORES <12 IS LOW. CAN BE ELEVATED IF CHRONIC INFLAMMATION OR ALCOHOLISM
SERUM IRON- MEASURES IRON BOUND TO TRANSFERRIN
TIBC-TOTAL IRON BINDING CAPACITY
TRANSFERRIN SATURATION %. MEASURED BY
SERUM IRON/TIBC X100
anemia
ACUTE HEMORRHAGE
GI/GYN CAUSES
HEMOLYSIS
BONE MARROW FAILURE OR DX
MALIGNANCY'
RENAL FAILURE
MCH
MEAN CORPUSCULAR HGB
27-34-
HYPOCHROMIC ANEMIA
HYPERCHROMIC ANEMIA
MCV MEAN CORPUSCULAR VOLUME
SIZE OF RBC
CATEGORIZNG ANEMIA
MICROCYTIC
NORMOCYTIC
MACROCYTIC
CLASSIFICATION OF ANEMIAS; PER SIZE MCV
MICROCYTIC MCV<80FL
IRON DEFICIENCY
THALASSEMIA
ANEMIA OF CHRONIC DX ( SOMETIMES)
(SIDEROBLASTIC ANEMIA’’HEMOGLOBIN E DX)
NORMOCYTIC MCV 80-99
ACUTE BLOOD LOSS
ACD INCLUDING RENAL FAILURE
CLASS ANEMIA
ANEMIA OF CHRONIC DISEASE INC RENALFAILURE
(HEMOLYTIC ANEMIA)
MACROCYTIC MCV>100 FL
MEGALOBLASTIC ANEMIA-VIT B12 OR FOLATE DEFICIENCY
(ACUTE SIDEROBLASTIC ANEMIA)
RDW RED CELL DISTRIBUTION WIDTH
RED CELL DISTRIBUTION WIDTH
MEASURES VARIABILITY OF RBC SIZE
NORMAL -HOMOGENOUS RBC SIZE-ETOH, LIVER DX, RENAL INSUFF, ACD
INCREASED-HETEROGENOUS RBC SIZE
IDA
RBC UNUSUAL SHAPES
SHOULD BE BICONCAVE
SICKLE
SCC
TARGETS
HGB C
HGB E
SPHERICAL
SPHEROCYTOSIS HERED
IMMUNE HEMOLYSIS
ELLIPTICAL
HERED ELLIPTOCYTOSIS
IRON DEFICIENCY ANEMIA
INCIDENCE
MOST COMMON CAUSE OF ANEMIA
NUTRITIONAL DEFICIENCY
CROHNS- BLOOD LOSS
GIB 2/2 NSAIDS OR ASA OR ? DOAC
WOMEN MENORRHAGIA
INADEQUATE DIET
MALABSORPTION-CELIAC, H PYLORI GASTRIC BYPASS
;EXTREME ATHLETES
IDA D
CLINICAL FINDINGS
MCV LOW
MCH LOW
RDW HETEROGENOUS
DYSPNEA ETC AS EARLIER CARD
ELDERLY -EXCACERBATION OF COMORBIDITIES -CHEST PAIN, DEMENTIA, HF
WOMEN PICA FOR ICE
THALASSEMIA BETA/ALPHA
MENDELIAN AUTOSOMAL RECESSIVE
NORMAL RATIO OF ALPHA TO BETA GLOBINS DISRUPTED
AFRICA -BETA, ASIA AND MEDITERRANEAN
TYPES
GENOTYPE ALPHA OR BETA
PHENOTYPE, MINOR , INTERMEDIA, MAJOR
NON ANEMIA DIFF DX
LO THYROID
FIBROIDS -BLEED
IDA EARLIEST BLOODWORK TO SHOW DEFICIT
FERRITIN
IRON STORES
MOST ACCURATE TO TEST IDA
WOMEN 12-150
MEN 15-300 NG
DECREASED IDA
INCREASED ACD, SIDEROBLASTIC ANEMIA
IN CHRONIC INFLAMMATION STATES <5O NG IS IDA
OTHER IRON STUDIES
SERUM IRON-CIRCULATING < WITH IDA
TIBC- TOTAL IRON BINDING CAPACITY
SERUM TRANSFERRIN INCREASED
TSAT TRANSFERRIN SATURATION -SERUM IRON/TIBC X100- DECREASED
IDA RESULTS
FIRST RDW ELEVATED
SERUM FERRITIN LOW
PERIPHERAL SMEAR HYPOCHROMIA MICROCYTOSIS MILD ANICYTOSIS + POIKILOCYTOSIS
SERUM IRON LOW
MCH LOW MCHC LOW
TIBC HIGH
RA
MICROCYIC HYPOCHROMIC ANEMIA 2/2 INFLAMMATION
MCV MCH
FERRITIN LEVEL INCREASED
TIBC NORMAL OR DECREASED??
IDA PHARM
ORAL REPLACEMENTS
180 MG ELEMENTAL IRON(150-200)
FESO4 325MG TID ( 65 MG ELEMENTAL IRON)
FERROUS GLUCONATE 325 MG (36MG)
ORAL INTOLERANCE OR SEVERE-REFER
ORAL IRON
S/E
NAUSEA/VOMITING
CONSTIPATION/DIARRHEA
EAT 30 MINS BEFORE MEALS - ABSORPTION <50 % WITH FOOD
TAKE PILL AT NIGHT
INCREASE DOSAGE SLOWLY
BLACK STOOLS
ENHANCED BIOAVAILABILITY WITH OJ
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