- Gradenigo's triad.

Gradenigo's triad of Petrositis:-

1- persistant otorrhea.

2- Ipsilateral retro-orbital pain due to irritation of the nearby trigeminal ganglion.

3- Ipsilateral squint and diplopia due to paralysis of the 6th nerve.

Return to other triads here.

- Beck's triad.

Beck's triad of  Parapharyngeal Abscess:-

1. External cervical swelling: at the submandibular region which is tender.
2. Trismus due to spasm of the medial pterygoid.
3. Internal swelling: of the lateral pharyngeal wall,pushing the tonsil medially.

 

Beck's triad of cardiac temponade:-

1-Decrease of systolic blood pressure.
2-Distended jugular vein.
3-Diminished heart sounds(quite heart).

Return to other triads here.

- Malarial triad.

Malaria is charachterized by 3 symptoms with each other:-

1-Enlarged spleen: which is tender and soft.

2-Intermittent febrile paroxysms in which the intervals are usually regular and the patient
is ill between the attacks.

3-Destruction of RBC's leading to 2ry Aneamia.

Return to other triads here.

- Ecological triad.

Ecological triad (epidemiological triad)

Ecological triad of disease is composed of:-

1- Causative Agent.

2- Host.

3- Environment.

Return to other triads here.

- Plumbism.

Plumbism is manifested by

" flea crop "

Facial pallor.

Lead line.

Encephalopathy.

Anaemia.


Constipation

Colic

Cardiac manifestations.


Renal manifestations.

Reproductive manifestations.


Optic atrophy.

Paralysis.

Enjoy,,,,

Dr Ibrahim samaha.