4.16.24 21st Century Movements for Black Lives.pptx
Iceberg phenomena by dr najeeb memon
1.
2. “SPECTRUM OF DISEASE” &
Iceberg Phenomenon
BY
DR: NAJEEB MEMON
ASSIST: PROF:
Faculty of Community Medicine & Public Health
Sciences (FCM & PHS)
Liaquat University of Medical & Health Sciences
(LUMHS) Jamshoro, Sind, Pakistan
e mail
mnajeeb80@gmail.com
5. Like Spectrum of Light
Where one Colors is merged in to
others
&
We can not differentiate one color
from others
6. SPECTRUM OF DISEASE (SoD)
For every Disease (Except Rabies)
Subclinical
&
In apparent
Infections
Illness
Mild
Severe
Fatal Illness
It is Simply reflection of individual’s state of immunity &
receptivity
E.g:-- Leprosy
In Infectious Disease: SoD referred as a “Gradient of Infection”
9. What a
physician sees
in community
Clinical cases
Peace of Ice floats
on water
Water line / Demarcation
Most of portion
remain under
water
Submerged huge portion is
Hidden mass of disease (Latent,
In apparent, Presymptomatic,
undiagnosed cases & carriers) in the
community.
Subclinical Infection
(Illness)
E.g:- Diabetes/ Hypertension /Anemia
/ AIDS/ Hepatitis B & C, Mental
illness
Ice berg (IB) give better concept of Disease Prevalence in Society
Hidden portion of (IB) is a challenge to Modern techniques in preventive
medicine.