11 results
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Mediterranean areas ... in the knee-to-chest ... painAbdominal ... Positive Carnett's sign ... #Pain #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... Pinpoint areas ... integrity: - Trauma ... lesions • Severe pain ... Skin biopsy • Abdominal
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... electrolytes, urea ... investigations abnormal ... clinical context and signs ... renal biopsy • Abdominal
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
tests algorithm ... clinical symptoms/signs ... evaluation of the pattern ... Areas of diagnostic ... Liver #Enzymes #Differential
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
customary headache patterns ... lesions in other areas ... with or without trauma ... headache #redflags #signs ... #symptoms #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... Lung Exam: Can be normal ... lymphadenopathy, • Abdominal ... AIDS #pulmonary #differential
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Cramps: • Muscle pain ... on the skin • Areas ... → Syncope • Signs ... - Headache - Abdominal
Handlebar Traumatic Injury 
Young girl presents to you after low energy, helmeted bicycle accident. Her vitals
Her vitals are normal ... concern for blunt abdominal ... Severe abdominal ... Keep this injury pattern ... on your differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... pain • HTN • ... fluid (CSF) is abnormal ... gut involvement, abdominal ... pain and GN Anti-GBM
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
pain. ... pain as non-radiating ... Vital signs: BP ... radiograph pattern ... consider intra-abdominal