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8/10/2019 Revision MEQ
1/15
B Y
D R . M O H A M M A D S A A D A B D U L - M A J I D
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MEQ EXERCISE MSK MODULE
Information you need to look up in the question:
ONE joint is involved: Swollen, inflamed and tender
Patient is having fever
Patient is limping or unable to walk
History of (predisposing factors): Traumaetc.
Diagnosis: Septic Arthritis
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MEQ EXERCISE MSK MODULE
Information you need to look up in the question:
Fever (high grade)
ONE limb is involved (usually lower limbs): Leg or thigh indicates long
bones: Swollen, inflamed and tender.
Patient is limping or unable to walk
History of (Predisposing factors): Trauma..etc.
Diagnosis: Osteomyelitis
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MEQ EXERCISE H&L MODULE
Information you need to look up in the question:
Foot is involved: Swollen, inflamed and tender may be the color turn toblack
The pain is severe
History of (predisposing factors): Diabetic Mellitus.etc.
Diagnosis: Gas Gangrene/ Diabetic foot
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Nagler`s reaction: is used to detect alpha toxin(lesithinase activity) of Clostr id ium perfr ingens.
Test principle: (Precipitation)
Egg yolk agar is inoculated with alpha toxin Abs,
once the toxin is produced, it will bind to the Abs
and will precipitate.
LAB. DIAGNOSIS
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MEQ EXERCISE CVS MODULE
Information you need to look up in the question:
FeverShortness of breathPatient is ill
On Examination: Heart murmur
History of (Predisposing factors): Intravenous drug useretc.
Diagnosis: Infective Endocarditis
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MEQ EXERCISE CVS MODULE
Information you need to look up in the question:
FeverOne or more joints are involved
On Examination: Jones criteria: Migratory arthritis, sydenham chorea,
erythema marginatum, carditis = murmur, subcutaneous nodules.
Must have: History of sore throat 4-8 weeks prior to the presentation
Migratory arthritis: The inflammation travel from one joint to another
Diagnosis: Rheumatic Heart disease if murmur existed (carditis)
Rheumatic Fever if no murmur
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MEQ EXERCISE RESP. MODULE
Non-specific symptoms: Fever, malaise
Upper resp. tract symptoms: sore throat, cough (URTI and LRTI).
O/E: Pharyngitis: pharynx is inflamed, Tonsillitis: tonsils enlarged and
inflamed
Lower resp. tract symptoms: can have URTI symptoms in addition to
Tachypnea (fast breathing), shortness of breath, chest pain.O/E: Subcostal/intercostal recession, Auscultation: Crackles, crepitation
Chest x-ray: always taken for LRTI- haziness, consolidation
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MEQ EXERCISE GIT MODULE
Fever, Diarrhea with blood and abdominal pain--- Dysentery
Dysentery: E. col i, Shigella
Prolonged high grade fever (more than 2 week), ill, generalized muscle pain
(myalgia)
Very important: Rose spots
Diagnosis: Typhoid fever
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MEQ EXERCISE IDENTIFICATION OF ORGANISMS
Gram-negative diplococci .
Interpretation: Neisseriae
If CNS symptoms are given: N. meningi t id is (meningococcus)
If UTI or sexually transmitted disease: N. gono rrho eae (gonococcus)
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MEQ EXERCISE IDENTIFICATION OF
ORGANISMSGram-positive diplococci
Interpretation: Streptoco ccus pneumon iae (pneumococci)
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MEQ EXERCISE IDENTIFICATION OF
ORGANISMSGram-negative rods "cocco-bacillary"
Interpr etat ion: Haemoph ilus inf luenzae
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MEQ EXERCISE IDENTIFICATION OF
ORGANISMSGram-positive cocci:
If arranged in chains: streptococcus
If arranged in clusters: staphylococcus
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THANKS!